Thomasite
磷硅铁钙石
🗣️ 情景例句
so that each one would be a part of it.
好让每个人都成为它的一部分。
She spends much of her leisure times watching TV.
她花很多空闲时间看电视。
Mary is still writing letters. She's been writing letters all day.
马力还在写信，她写了一整天的信。