Microstratification
微细分层现象
🗣️ 情景例句
555-9470…and it's busy….
555-9470……还是忙音 ……
He was involued with the Mafia.
他和黑手掌有牵连。
My pen dropped on the ground when I was walking in the park.
当我在公园里散步的时候，我的钢笔掉到地上了。