Saturday，2020.8.15
New Words：
leaf [liːf] 叶;叶片;叶子
leaves [liːvz] leaf的复数
turn [tɜːn] 使变为;是转变
In spring, the trees and grasses are turning green.
在春天，树木和草都变绿了。
The birds eat seeds and grasses.
鸟吃种子和草。
The cold weather turned the leaves red.
寒冷的天气使树叶变红了。