Didymolite
[矿]钙蓝石
🗣️ 情景例句
Richard and I will put them into the envelopes.
我和Richard把它们放进信封。
Do you like skiing?
你喜欢滑雪？
Please sign here to show that you have received the money.
请在这儿签字以表明你已收到这笔钱。"