Selectins
(selectin 的复数) 选择蛋白
🗣️ 情景例句
Can you spot me a 20?
你能借我二十元吗？
One hour today is worth two tomorrow.
今天的一个小时抵得上明天的两个小时。
Many strange new means of transport have been developed in our century,
本世纪已研制出许多新奇的交通工具，