Shee
n. 细胞系, 细胞株
🗣️ 情景例句
I have approximately three-year experience using a computer.
我有大约三年操作电脑的经验。
I ought to see the manager.
我应该见经理。
Can you tell me why our bid was not accepted?
请告诉我为什么我们没有得标好吗？