Erythrosiderite
红钾铁盐
🗣️ 情景例句
Sounds pretty good.
听起来不错。
Any tickets left?
有剩票吗？
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，