Kainit
n. 【矿物】钾盐镁钒
🗣️ 情景例句
There's Mother and Grandpa ...
有妈妈和祖父呢……
Every brave man is a man of his word.
勇敢的人都是信守诺言的人。
Most countries use these satellites to send and receive messages.
大多数国家利用这些卫星发送和接收消息。