Chemodifferentiation
化学分化
🗣️ 情景例句
we're not sure
我们还不能肯定
Where is the ticket office?
售票处在哪儿？
Some people on the bank called out to the man in the boat, but he did not hear them.
岸上的一些人对着小船上的人高喊，但他没有听见。