Kalkowskite
高鐵鈦鐵礦, 鈰釔鈦鐵礦
??? 情景例句
It's a good investment.
這是一項好投資。
It really depends on when.
那得看什么時候。
It is good to learn to work with others in a team.
學會在一個集體里與其他人一道工作是有益的。