Interstratified
层间的
🗣️ 情景例句
You have been working on this for some time, Richard.
你从事这工作已有一段时间了， Richard。
I can't tell you how happy this makes me.
我形容不出来我有多高兴。
I'd like two sweaters for my daughters.
我想给女儿买两件毛衣。