Dcf
[医] 直接离心浮选[法]
🗣️ 情景例句
And this is my mother, Ellen Stewart.
这是我妈妈， Ellen Stewart。
It doesn't matter to me.
这对我来说无所谓。
Yes. It's very different from Australia at this time of year.
对。这个时节这儿的天气与澳大利亚的大不相同。