Actual tooth density
[机] 实际齿密度
🧩 词语组成解析
tooth
[tu:θ]
n. 牙;齿;齿状部份;
vt. 给…装齿;
vi. 啮合;
🗣️ 情景例句
She was hired on the spot by the company.
她当场就被那家公司雇用了。
To marry again
再婚
It's my watch.
是我的手表。