Rectigradation
直线渐变
🗣️ 情景例句
How soon will my mail be received by the other end?
我的信件多快能被对方收到？
My brothers must help with the house work at home.
我的兄弟在家里必须帮忙做家务。
All at once, a rabbit came out of a hole.
突然，一只兔子从一个洞中跑了出来。