Doohickeys
(doohickey 的复数) n. 小玩意, 小装置, 窍门
🗣️ 情景例句
and you won't get so many colds anymore.
你就不会老患感冒了。
The doctor advised me to get plenty of exercise.
医生建议我多锻练。
records only the horizontal component of the wave movement,
记录下来的只是地震波运动中的水平部分，