Bisphosphonate
[医]二碳磷酸盐化合物
🗣️ 情景例句
I think I'm quite proficient in both written and spoken English.
我认为我在英语读写方面相当熟练。
One cannot always be a hero, but one can always be a man.
人难一世称雄，但可一生为人。
Then, when it's open, we fight about who plays with it first.
然后，当礼物打开后，我们又争着谁先来玩。