Indispensability
出国 Abroadn. 不可缺少, 责无旁贷
✅ 同义词
🗣️ 情景例句
And his name and the date are on the bottom.
他的名字和日期都在下面。
I can't believe it.
我简直不敢相信。
We will use it for cleaning the inside of the ship. If we do this, we shall have less sickness. Please get me 300 litres. I think that will be enough.
我们将要用醋清理船舱。如果我们这样做的话，我们就会少生些病。请给我购买300升。我想这就够了。