Microstratification
微细分层现象
🗣️ 情景例句
Things here work very differently from back home.
这里的情况与你国家的情况有很多不同。
How many sisters and brothers do you have?
你有几个姊妹和兄弟？
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。