Trolamine
三乙醇胺
🗣️ 情景例句
at the end of the semester.
就在这个学期结束的时候。
After Mr. Lee's remarks, the meeting will be opened for comments and discussion from the rest of you.
李先生发言完毕后，会议将由大家进行自由评论和讨论。
When, for example, a customer first opens an account,
比如，储户首次在银行开户时，