Biquartz
[光]双石英片
🗣️ 情景例句
study for my math final.
温习数学 准备期末考试。
I'm going to lend him a gold one.
我正要借给他一个金的。
The sandwiches are all ready, said her mother. I made some dumplings last night, too!
“三明治全都做好了，”她妈妈说，“昨晚我还做了一些饺子哩！”