Optimal parasite
[医] 兼性寄生物
🧩 词语组成解析
🗣️ 情景例句
There must be some way to put my mind to good use.
总会有办法让我发挥才智。
I am honored by the invitation.
承蒙招待，深感荣幸。
We need some meat.We haven't got any meat at all.
我们需要些肉。我们一点肉也没有了。