Adenoblast
[醫(yī)] 成腺細(xì)胞
??? 情景例句
In the hotly contested race
在這場(chǎng)激烈競(jìng)賽中
If you have cows you have to get up early to do the milking.
如果你有奶牛，你不得不早起擠奶。
What is it?
什么困難。