下面是一些适合三年级学生使用的英语描写夏天景物的句子：

The sun is shining brightly today, and the sky is a brilliant shade of blue.

今天阳光明媚，天空是蔚蓝的大海。

The grass is growing tall and the flowers are blooming like crazy.

草儿长得越来越高，花儿们正疯狂地绽放。

The trees are swaying gently in the wind, leaves rustling and twirling.

树儿在微风中轻轻摇曳，树叶沙沙作响。

The sun is so hot that it makes us feel like melting in the sand.

太阳太热了，让我们感觉像融化在沙子里。

夏天是一年的第二个季节。当夏天到来时，天气炎热，阳光灿烂。白天长了，夜晚短了，因为太阳早早起床，很晚才入睡