Dichloromethylene diphosphonate(cl-2mdp)
[化] 二氯亚甲基二膦酸
🗣️ 情景例句
How'd you do it?
是如何办到的？
I have been working too hard; it's time I relaxed.
我太疲劳了，该在这里休息一下。
Oh, do you have to?
噢，你们一定得走吗？