Biochronometer
生物钟
🗣️ 情景例句
Something blue.
蓝色的东西。
Beauty is but skin deep.
美丽只是皮相（指：不能以貌取人）。
In those days, boxers fought with bare fists for prize money.
当时，拳击手们不戴手套，为争夺奖金而搏斗。