Oldhamite
陨硫钙石
🗣️ 情景例句
That would be very helpful.
你这样做帮忙可大噢。
I'm sure you need an original signature, not a faxed copy.
我知道你们需要的是原件，不是传真件。
Mary and lizzy are organizing a large medical conference.
玛丽和莉齐正在组织一个大型的医学会议。