Cabecera
[体]固定挡板
🗣️ 情景例句
Americans consider it extremely bad manners to be late.
美国人认为迟到是一种极不礼貌的做法。
I'd appreciate it if you would turn out the lights.I'm sleepy.
如果你关灯我将感激你的.我困了。
It doesn't matter.
没关系。