Throw doubt upon
产生怀疑
🧩 词语组成解析
throw
[θro]
vi. 投掷;丢;抛;
n. 投掷的距离;丢;
vt. 掷（色子）;抛;猛动（头、臂、腿）;使处于，使限于;
upon
[ə'pɑn]
prep. 在…上面;当…时候;
🗣️ 情景例句
Next weekend ...
下周末……
Wash your mouth out with soap!
嘴巴放干净一点！
We have mainly adopted some usual international practices.
我们主要采取了一些国际上的惯例做法。