Kuttenbergite
镁菱锰矿
🗣️ 情景例句
I remember when I used to be a Girl Scout.
我记得我还是一名女童子军的时候。
We tried in vain to make him change his mind.
我们试图使他改变他的主意，但白费力气。
however painful it may be at the moment.
尽管会有暂时的痛苦。