Tooth mark
[机] 刀痕, 回转痕迹
🧩 词语组成解析
tooth
[tu:θ]
n. 牙;齿;齿状部份;
vt. 给…装齿;
vi. 啮合;
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
you have a lunch appointment with Mr. Levine,
跟Levine先生约好吃午餐。
How old do you have to be to vote in the national elections?
你要多大才能在大选中投票？
The baby was about ten months old. At first she was asleep.
那小孩大约10个月大。最初，她是睡着的。