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
She tore up all the letters he had sent her.
她把他写来的信全撕了。
Where are you from?
你来自哪儿？
Excuse me! Can you tell me the way to the museum, please?
劳驾！你能告诉我去博物馆怎么走吗？