Bisphosphonate
[医]二碳磷酸盐化合物
🗣️ 情景例句
The food was terrible.
食物糟透了。
I feel guilty because I haven't written her lately.
因为我最近没给她写信，我感觉到有罪。
It is better to ask for help at the beginning rather than to wait until a busy period when everyone is rushed off their feet.
最好在开始工作时就请人帮忙，而不是等到大学都忙得不可开交的时候。