The real threat to whales is whaling, which has endangered many whale species.
对鲸鱼的真正威胁是捕鲸，它使许多鲸鱼物种濒临灭绝。
标签
Real
Threat
对鲸鱼的真正威胁是捕鲸，它使许多鲸鱼物种濒临灭绝。