Selectins
(selectin 的复数) 选择蛋白
🗣️ 情景例句
But I'm sure he has a few bags with him on the train.
不过我相信他在火车上还有几件行李的。
The electric fan is out of order.
这电风扇出毛病了。
This is the best material we have to offer.
这是本公司所供应的最好的原料。