He lay back on the grass using his backpack as a pillow.
他用背袋當枕頭仰臥在草地上。
The grass was wet with early morning dew.
清晨的露水使得青草濕漉漉的。
Humans cannot digest plants such as grass.
人不能消化草類植物。
The dry grass caught fire.
干草著火了。
The runway is simply a strip of grass.
所謂跑道不過是一長條草地而已。