Selectins
(selectin 的复数) 选择蛋白
🗣️ 情景例句
Eight straight-back chairs. Thirty folding chairs.
八张直背椅。三十张折摺椅。
Excuse me to give you so much trouble.
对不起给你带来这么多麻烦。
The best time to come to China is in spring or autumn.
到中国来，最好的时间是在春天或者秋天。