Oscillations
n. 振动；振幅（oscillation的复数形式）
🗣️ 情景例句
Follow the recipe properly or it will never come out right.
照着菜谱说的做，不然的话，味道就不对。
The frog in well knows nothing of the great ocean.
井底之蛙不知汪洋大海。
Why don't we go to the office now?
为何我们现在不去办公室呢？