Fdcd
[化] 荧光检测圆二色性
🗣️ 情景例句
He was very hard driven.
他被迫拼命干活。
The honest penny is better than the stolen dollar.
正当得到的一分钱，胜过偷来的一元钱。
I like television very much.How much does it cost?
我非常喜欢这台电视机。请问它多少钱？