Ilmenitite
钛铁岩; 钛铁岩
🗣️ 情景例句
and I'm running for the open seat on the school board.
我正在竞选联合校董会的席次。
Building is rewarding.
建造东西是有价值的事。
It may be cheaper.but it takes a long time.
可能是便宜些，但花的时间长。