Operculums
n. [昆] 盖；鳃盖
🗣️ 情景例句
Well, it's nice to have you with us again.
噢 ，非常高兴你们又来了。
We had expected much lower prices.
我们希望报价再低一些。
Why don't you do the experiment? I'm sure you would do it really well.
你干吗不做这个实验呢？我相信你一定会干的很棒的。