Tisab
[化] 总离子强度缓冲剂
🗣️ 情景例句
Am I older than you? You look so young.
我比你老吗？你看起来非常年轻？
The whole thing was held up about half an hour.
整个事情耽搁了约半小时。
I told him the whole story. He laughed. You're great! I'm going to tell everyone.
我把整个事情都告诉了他。他笑了。“你真了不起！我要对大家说