Clairite
硫砷铜矿
🗣️ 情景例句
The topic of sex if somewhat taboo in Chinese daily conversation.
性在中国的日常谈话当中是禁忌话题。
My mother mailed me a parcel.
我妈给我寄了一个包裹。
How are things going?
事情进展得怎样？