Fdcd
[化] 荧光检测圆二色性
🗣️ 情景例句
You passed your test? Fantastic!
你测验及格了？太棒了！
By doing we learn.
经一事，长一智。
He gets out of the lift. Then he walks to a bus stop.
他走出电梯。然后步行到公共汽车站。