Gpk
[医][=guinea pig kidney antigen]豚鼠肾抗原
🗣️ 情景例句
I've got it. This one's on me.
我都付了。这一顿我请客。
Better half an egg than empty shell.
半只蛋也比空壳好。
I meant to tell you yesterday, but you were not in your office.
我原想昨天告诉你的，但你没在办公室。