question mark

漢語翻譯

英文解釋：

名詞 question mark:

1. a punctuation mark (?) placed at the end of a sentence to indicate a question
   同義詞：interrogation point

例句：

1. His identity is still a question mark to most of us.
   我們大多數人都不知道他的身份。
2. A notation, usually a question mark, calling attention to an item in order to question its validity or accuracy.
   疑問號一個記號，通常為問號，以引起對某一事物的注意以便就其有效性或準確性提出質疑