民间鬼故事 - grass的复数
例句：The dry grass caught fire.
Don't walk on the grass .
I started smoking grass when I was about sixteen.
Flatten the surface of the grass with a roller.
The forage grass disease is a complex and big system.
Some grasses furnish us with food.
The runway is simply a strip of grass.
With one accord they turned and walked back over the grass.
The ponies will go to grass as soon as the better weather comes.
例句：His wife wants him to grass on the members of his own gang...
He was once a professional grass.
His friends had begun to suspect that he was a grass.
You wouldn't grass up an old mate, would you?