Nitrocalcite
钙硝石
🗣️ 情景例句
I have a customer for your first wedding dress.
我已经有了 的第一套结婚礼服的顾客。
Where there are reeds, there is water.
有芦苇处必有水。
when she remembered that she had gone shopping after the home help had left and she knew that she had turned both keys in their locks,
但突然记起来了，帮手是在她出去买东西之前走的，她还记得曾用了两把钥匙把大门锁上了。