Wisdom tooth
智齿
📖 牛津释义
wisdom tooth
any of the four molars at the back of the mouth that appear when one is about 20 years old 智牙.
🧩 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
young and old.
不管是年轻的， 还是年老的。
I'll keep my ears open.
我会留意的。
In this way, we have learned all that we know of the laws of astronomy,
例如，用这种方法，我们完全掌握了天文学的规律。