Hydroboracite
水方硼石; 水硼钙石
🗣️ 情景例句
Sure, but never before have we had payment in RMB.
当然可以，不过我们从来没有用过人民币付款。
I leave the office at 7.
我七点离开办公室。
What's the matter with him, doctor?
他得了什么病，医生？