Osy
abbr. optimum sustainable yield 最适宜可持续产量
🗣️ 情景例句
Well, that's life, isn't it?
这就是生活，不是吗？
All right. Should I take a look at your battery?
好的。要不要检查一下蓄电池？
John asked Grace to marry him，
约翰向格雷斯求婚。