Question-mark
问号\\n不确定性
🧩 词语组成解析
mark
[mɑːk]
n. 斑点;记号;成绩;标准;
vt. 作记号;表示;给…打分;在…留下痕迹;
vi. 评分;注意;（比赛中）记分;
mark(mark)→符号；分数；标签；计分；做记号；加标签；使显著
🗣️ 情景例句
I have a ticket, I know.
我知道我有车票。
The audience stared the acrobats in great wonder.
观众以惊异的眼光注视着杂技演员。
Sally was very excited because she had never travelled on a train before.
萨莉非常激动，因为她从未乘过火车。