Kennedyite
钛镁铁矿; 钛镁铁矿
🗣️ 情景例句
Advice doesn't normally come cheap, but this piece is for free...
通常来说，忠告都是价值不菲的，但这个是免费赠送的。。。
Car manufacturers are having a bad time.
汽车制造商的日子不好过。
In man's early days, competition with other creatures must have been critical.
在人类早期，人类与其他生物的竞争一定是必不可少的。