Crossopterygian
n. [动]总鳍组鱼\\na. [动]总鳍组鱼的
🗣️ 情景例句
We want to be sure that you're responsible
我们要确定你是肯负责的，
We'd like to clear up some points connected with the technical part of the contract.
我们希望搞清楚有关合同中技术方面的几个问题。
and they provided a striking demonstration of the potentialities hidden in instruments and apparatus.
并充分显示出了仪表和仪器的潜在力量。