Tooth enamel
[医]牙釉质
🧩 词语组成解析
tooth
[tu:θ]
n. 牙;齿;齿状部份;
vt. 给…装齿;
vi. 啮合;
enamel
[i'næməl]
n. 搪瓷;珐琅;指甲油;
vt. 给…上珐琅;在…涂瓷漆;
🗣️ 情景例句
At 4, but I have to leave by 3:00 to get there on time.
四点，不过我三点必须离开，才能准时到那里。
That's the point.
这正是问题的关键。
I went on walking, bending down because the roof of the cave was not very high.
因为洞顶不是很高，我继续弯着腰往前走。