Deltation
三角翼, 三角洲化, 三角洲形成作用
🗣️ 情景例句
Thanks. And what about your family?
谢谢。那你的家庭呢
One may think that dares not speak.
人可思其不敢言者。
He asked very politely, Excuse me, have you got any books about the moon and the stars?
“请问，你有关于月亮和星星的书吗？”