Tooth fairy
n. 牙仙（传说中如果儿童把脱落的牙齿放在枕下, 牙仙会在他们睡着时把牙齿取走, 留下硬币）
🧩 词语组成解析
tooth
[tu:θ]
n. 牙;齿;齿状部份;
vt. 给…装齿;
vi. 啮合;
fairy
['fɛri]
n. 仙女;小仙子;小精灵;
adj. 美丽的，可爱的;仙女似的;
🗣️ 情景例句
Four o'clock at the advanced exercise class. With me.
四点钟去高级健身课， 跟我一起。
My Biochem lectures are in the morning, and the labs are in the afternoon.
生物化学的课安排在上午，实验在下午。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，