Tisab
[化] 总离子强度缓冲剂
🗣️ 情景例句
I did , but everything is OK,so I decided to come back.
回去了， 但一切安好。于是我决定回来。
Which one is more economical?
哪一个是比较经济的？
I hope that you've got some money.
我希望你还有钱。