Viridicatin
纯绿青霉素
🗣️ 情景例句
Please try to keep relaxed, sir.
别太紧张，先生。
The tour will take about an hour and a half. We ought to be back here by 3:00.
参观大概要一个半小时，3点钟以前回到这里。
Where do you live?
你住哪儿？