Bisphenoid
(正交晶的或四方晶的)双榍
🗣️ 情景例句
Why does he want to do that?
为什么他要那么做呢？
I've been here for three weeks, and so far I've enjoyed it.
我已经在这里逗留了三个星期，到现在为止，我过得很好。
Yes, I have. He's in Sydney, Australia.
有，我有。他在澳大利亚的悉尼。