Kocide
SD 氢氧化铜
🗣️ 情景例句
Why don't we take a walk down to the river?
我们何不一路散步到河边去呢？
How many passengers were on the train?
在火车上有多少旅客？
I didn't realize how much this meant to you.
我不知道这个对你的意义有这么大。