Fdcd
[化] 荧光检测圆二色性
🗣️ 情景例句
OK, Robbie, maybe you should watch him. Robbie
也许你得看着他点。
You saw that movie, didn't you? Was it interesting?
你看过这部电影了吧？精彩吗？
Are these bags heavy? No, they're light.
不，是轻的。