Calcitonin
[化] 降钙素
🗣️ 情景例句
That leaves a lot to be desired.
太不让人满意了。
I will happily admit that I am as nervous as a cat on a hot roof.
我承认现在我非常紧张，像热锅上的蚂蚁一样。
I repeated my question several times and at last he understood.
我把问话重复了很多遍。他终于听懂了。