Chinic acid
[化] 奎宁酸
🧩 词语组成解析
🗣️ 情景例句
That's us, Susan.
那正是我们， Susan。
This offer must be withdrawn if we haven't received your reply within five days.
如果5天之内我方未必到贵方答复，该盘撤消。
That's a great idea!
好主意！