Emr
等效乘法速率
🗣️ 情景例句
How are you?... Here's Mom.
好吗 …… 妈妈就来了。
How long will it take you to repair it?
你要多久才能修好它？
Diamond necklaces and rings had been beautifully arranged on a background of black velvet.
钻石项链、戒指漂亮地陈列在黑色丝绒上面。