Esmarkite
褐块云母
🗣️ 情景例句
I'm glad Mr. Marchetta was so helpful.
我真高兴 ，Marchetta先生如此帮忙。
If you want knwledge, you must toil for it.
若要求知识，必须刻苦学习。
I didn't have a penny the last time I saw you.
上次我见到你时，我连一个铜板也没有。