Elasmobranch
n. 板鳃亚纲的鱼
🗣️ 情景例句
Hi, Bob.
嗨，鲍勃。
Once an opportunity slips away, it is gone for good.
机会一旦错过，永远不会再来。
We waited and waited, but nothing happened.
我们等啊等啊，可情况没有变化。