in the grass on the grass怎么区分?

in the grass on the grass怎么区分? Sit on the grass.还是 Sit in the grass? in the grass 与on the grass的区别 草丛里有条蛇是on the grass还是in the grass? in the snow还是on the snow,in the grass还是on the grass He sees something on the grass 对 on the grass 划线部分提问.怎么变? (we) is on the grass. _____ you walk on the grass in the park? Peop mustn't walk on the grass in the park Don't walk on the grass in the sit in the grass对吗? walk,the,garden,don't,the,grass,in,on.怎么连词成句?