Chelidae
侧颈鳖科
🗣️ 情景例句
Let's what?
你说什么？
You cannot break the contract without any good reason.
如果没有什么正当理由，你们不应撕毁合同。
Moreover, as soon as new knowledge is acquired, it is now turned to practical account.
而且，新知识一旦获得，便得到实际应用。