dust crops with an insecticide

例句：

1. 1. The sun's rays are shining brightly through the window.
   阳光透过窗户照射进来。
2. 2. The old house is covered in a thick layer of dust.
   这所老房子堆满了厚厚的灰尘。
3. 3. The car was covered in mud and dust after the rain.
   雨后，汽车被泥泞和灰尘覆盖。