Mark number
[化] 标号
🧩 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
What are you doing up this late?
这么晚了你还没睡在做什么？
I'd like to have you come to my house for dinner sometime.
改天请到我家来吃饭。
In her letter, she said that she would come to England next year.
在信中她说她明年将到英国来。