Aintered magnesite
[机] 烧结苦土
🧩 词语组成解析
n. 菱镁矿\\n[化] 菱镁矿
🗣️ 情景例句
When did you come here?
是什么时候来这儿的？
That won't happen, will it?
不会吧？
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。