Agritol
苏云金杆菌
🗣️ 情景例句
from his new book entitled Family Album, U.S.A.
从他的新书Family Album, U.S.A.
This problem is hard to solve.
要解决这个问题不简单。
We are prohibited from smoking on school grounds.
我们被禁止在校园内抽烟。