Floocan
脉壁粘土, 脉节理粘土
🗣️ 情景例句
I happened to over hear what he said.
我碰巧听到了他所说的话。
I'm going to call a plumber to come this afternoon.
我将叫一个管道工今天下午来。
The study of custom can be profitable only after certain preliminary propositions have been accepted,
只有在某些基本的主张被接受下来、同时有些主张被激烈反对时，