Rief
abbr. recycling isoelectric focusing 再循环等电聚焦
🗣️ 情景例句
Here's my ticket and seat assignment.
这是我的机票和座位号。
I'm afraid you will miss your bus.
我怕你会错过公共汽车。
He could not wash himself or get dressed.Instead, his sister or his parents had to help him.
他自己不能洗澡或穿衣服，他的姐姐或父母亲就只好帮他的忙。