Extrn
外部的
🗣️ 情景例句
Grandma, I bet you have a lot of stories to tell.
奶奶，我敢打赌你会说很多故事。
I tried to call Mr. Cooper,but the line was busy.
我试着呼叫库珀先生，但是线老是忙。
A sound made by tapping on the hull of a ship will be reflected from the sea bottom,
敲打船体所发了的声音会从海底传回来，