Downstroke
[冶]下行程(结晶器), [机]下行冲程
🗣️ 情景例句
We separated recently.
别提了，我们最近刚分手。
Kill two birds with one stone.
一石双鸟；一箭双雕。
Could you tell me where I can wash my hands?
请问洗手间怎么走？