Tectibranchia
侧腔目
🗣️ 情景例句
I sold your father that house seventeen years ago.
十七年前我把那栋房子卖给你父亲的。
I will come right now.
我会马上回来。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，