A WORD, A WORLD
stem
释义
- n.
- （花草的）茎；柄；（高脚酒杯的）脚；烟斗柄
- adj.
- 有茎[梗]的；装有小柄的；去掉茎(或梗)的；去掉茎[梗,柄]的
- v.
- 阻止；封堵；遏止
- abbr.
- (=Scanning transmission electron microscope)扫描透射式电子显微镜
- 网络
- 阀杆；词干；茎干
展开详细释义
n.
1.(草木的)茎,干,梗;叶柄,花梗,果柄
2.(工具的)柄;把,杆
3.高酒杯的酒脚,菸斗柄;鸦片烟枪
4.(手表,怀表的)转柄
5.闸住,堵住,止住
6.转动滑雪屐停止滑动
7.〔美俚〕腿
8.堵塞物,坝
9.【语言学】词干
10.【动物;动物学】羽轴
v.
1.除掉…的梗茎
2.给…装上柄、杆;给(假花等)装上梗柄
3.〔美国〕起源于,起因于,(由…)发生,来自
4.闸住,堵住(水等);遏止,防止,压住
5.堵住,止住
6.抵抗,反抗,逆(流)而行,顶着水面上
7.转动滑雪屐停止滑行
8.逆行
9.(船)逆(风)开行
10.【滑雪】转动(滑雪屐)以停止滑雪
abbr.
1.Scanning transmission electron microscope 扫描透射式电子显微镜
词形变化
复数：stems 现在分词：stemming 过去分词：stemmed
常用短语 12 组
- stem cell
- 干细胞，骨髓干细胞
- stem from
- 起源于
- brain stem
- 脑干
- drill stem
- 钻柱；钻杆；钻具
- main stem
- [美俚]干线；主街
- valve stem
- 【机】阀杆
- from stem to stern
- 完全；从头到尾
- stem rust
- 杆锈；茎锈病
- hemopoietic stem cell
- 造血干细胞
- stem borer
- 蛀茎虫；天牛；蔗螟；茶天牛
- rising stem
- 升杆
- stem seal
- 阀杆密封；芯轴密封
在例句中理解 35 句
Change-character in the Stem-flow of every Populus euphratica tree stems can reflect their transpiration conditions.
胡杨的树干茎流变化特征可以反映其蒸腾状况。
"Identifying stem cells that can be encouraged along the path to becoming heart muscle is a paramount scientific goal, " he said.
他还说：“首要科学目标是培育出干细胞并使之分化成心肌细胞”。
When the plants are ready to pollinate, the stem heats up to release a pungent smell, which lasts for about three days.
在泰坦魔芋将要授粉时，花茎会发热并散发出一股刺鼻气味，这种气味大约会持续三天。
Since the last time we met, I've gone to G to work for a biotechnology company as a stem cell researcher.
自从你没有再见到我，我是到了G为一家生物公司做干细胞的研究。
Reeve did not live long enough to see whether stem cell research could help restore movement to the paralyzed.
里夫的英年早逝使他无法看到干细胞研究是否能帮助瘫痪者恢复运动。
Mice with broken legs seem to be healing three times faster than normal, thanks to a protein that makes stem cells divide.
断腿的小白鼠在一种能促使干细胞分裂的蛋白质作用下，其骨愈合速度比正常时快了三倍。
Cut out a few leaf shapes from green felt and hot glue a small length of the stem wire to the back of each.
绿色毛毡布切割出叶子的形状，背面粘上一小段铁丝。
Those signals travel up to the brain stem and then the hypothalamus, telling the body to stop eating.
这些信号依次传输到脑干和丘脑下部，指示身体停止进食。
However, if I fall in love, if I love the woman at risk of such tragic event, I might as we hunt the lawlessness of the stem, like the lion.
不过，如果我恋爱过，如果我爱的女子遭此惨遇，我也许会象我们这位目无法纪的猎狮人一样干的。
Ultimately, they hope to be able to develop a cream that could be applied to the scalp to help the stem cells grow normal hair.
最终，他们希望能够研制出一种能帮助干细胞生长正常头发的可以涂在头皮上的药膏。
The Republican party cannot be a tool of the evangelical movement, on evolution, stem cells and a host of other issues.
共和党不能仅仅成为福音运动、进化论、干细胞和其他一系列争议性问题的工具。
Said retainer can be embodied in such a way that it is fixable and formed by the curved free end of the needle stem.
止动器也可设计成不可分离的并由针杆的自由端弯曲而成。
Hematopoietic stem cells have been shown to migrate to distant parts of the body in response to injury signals, as have cancer cells.
此外，科学家也发现，造血干细胞会因应受伤的信号，移动到身体较远的其他部位，而癌细胞也会迁移。
He was treated over a ten-month period by researchers at the US Stem Cell Institute, where he made a marked recovery.
他受到了一个由研究人员十月份在美国干细胞研究所，在那里他取得了显着的恢复时期。
Her team is now testing to see whether stem cells will turn into endothelial cells in the channels and into muscle cells elsewhere.
她的团队正在实验，以测试干细胞是否能变成管腔内的内皮细胞和各处的肌肉细胞。
In the forests, trees in the wind might be induced stem bending even destroyed, thus affecting the quality and yield of wood.
树木在风压作用下可能被压弯或者直接被毁坏，因而影响木材的质量和产量，给林业造成巨大的经济损失。
But the general thinking seems to be that cancer stem cells represent a small population of the cells in a tumor.
但是一般想法仿佛如此：癌症干细胞只占肿瘤细胞很小一部分。
In the statement, he said it demonstrates that stem cells can be produced without interfering with the embryo's potential for life.
他说，这表明没有干扰胚胎的生命潜力，干细胞能够产生。
It is a great shame that so much innovation now seems to stem from nameless teams inside large corporations.
如今，那么多的创造发明似乎都来自大公司内部的无名团队，这是一种巨大的耻辱。
The danger to Mr Rajapaksa does not stem from Sinhalese voters' sympathy for foreign criticism of him.
Rajapaksa先生的威胁不在于僧伽罗选民对国外批评言论的认同。
With a long, thin bladed knife, cut a five or six-sided opening out on the top of the pumpkin around the stem.
用细长的刀子延著南瓜蒂切割出一个五角形或六角形的盖子，再使用大汤匙刮除果肉。
The word "stem" is tossed around so much at education meetings these days, you'd think you were at a gardening seminar.
这个字“干”是扔在教育会议，围绕这些日子，你会以为你在一个研讨会上进行园艺。
When the upper stem rides up and down on its threads it now moves the lower stem by a mechanical connection.
当上阀杆沿着它的螺纹上下运动时，通过机械连接带着下阀杆一起运动。
Other researchers have been trying to get stem cells from liposuction specimens.
其他研究员则在试图从脂肪抽吸术标本中获取干细胞。
Marban said he made the discovery accidentally while trying to reproduce cardiac stem cells.
马班说，他在试图繁殖心脏干细胞时意外发现这个结果。
This contemporary mind-set, which extends far beyond the absence of her veil, may stem from her more common upbringing.
这个远远超过她脸上面纱空缺的当代思维定势也许是源自于她共同的成长环境。
He took the drug patients were to take and underwent the stem cell extraction process.
他服用病人将服用的药物，并且接受干细胞提取过程。
Straight ahead of her, as though it were a rose on a stem .
在她躯干的前方，宛如一朵玫瑰缀在长长的枝条上。
He said authorities would collaborate with other jurisdictions to stem the flow of drugs at the source.
李明逵又表示，警方会与外地执法部门加强合作，从源头上堵截毒品。
It is often equally difficult for the companies to disprove the short sellers' allegations quickly to stem the fall of their share prices.
反过来，公司往往也难以通过迅速证明空头说法不实而遏制其股价的下跌。
long-stemmed wine glasses
高脚酒杯
He stooped down, cut the stem for her with his knife and handed her the flower.
他弯下腰，用刀替她割下花茎，然后把花递给她。
All my problems stem from drink.
我所有的问题都是酗酒引起的。
‘Writ ’ is the stem of the forms ‘writes ’, ‘writing ’ and ‘written ’.
writ是writes、writing和written三个词的词干。
A tight bandage should stem the bleeding.
扎紧绷带可以止血。