Osy
abbr. optimum sustainable yield 最适宜可持续产量
🗣️ 情景例句
On a studect visa, full-time work is not permitted.
持学生签证的话，不允许做全职工作。
Is there any earlier one?
还有更早一点的吗？
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。