Deltation
三角翼, 三角洲化, 三角洲形成作用
🗣️ 情景例句
Mrs. Ellen Stewart has taken an early lead.
Ellen Stewart太太初步领先。
The fault of the horse is put on the saddle.
马劣动怪马鞍坏。
It's a bus.
一辆公共汽车。