Nitromagnesite
镁硝石
🗣️ 情景例句
How are you?... Here's Mom.
好吗 …… 妈妈就来了。
Please call me and let me know.
请打电话告诉我。
one, to my certain knowledge, spent nine months on a novel about Kashmir,
据我所知，有位作家花了9个月的时间写了一部有关克什米尔的小说，