test tube

释义

n.

试管

在例句中理解 3 句

1. He mixed chemicals in a test tube.

   他把化学药品混合在试管里。

2. There is a green residue in the bottom of the test tube.

   试管底部有绿色的沉淀物。

3. Since the birth of the first "test tube baby" in 1978, more than three million children have been born with the help of reproductive technology.

   自1978年首例试管婴儿出生以来，已有超过三百万的儿童在这种生殖技术的辅助下出生。