Selectins
(selectin 的复数) 选择蛋白
🗣️ 情景例句
He doesn't have any family with him.
他没有家人和他在一起。
He said he knew a lot of people there.
他说他在那里认识很多人。
For the same reason, writers talk interminably about their own books,
由于这个原因，作家喋喋不休地谈论自己的书，