question mark是什么意思 question mark怎么读
question mark的英文翻译是什么意思，词典释义与在线翻译
question mark的用法和样例
- His identity is still a question mark to most of us.
我们大多数人都不知道他的身份。 - A notation, usually a question mark, calling attention to an item in order to question its validity or accuracy.
疑问号一个记号，通常为问号，以引起对某一事物的注意以便就其有效性或准确性提出质疑
展开更多
