我们不能摘花在公共场合或在草地上一步。

We mustn't pick the flowers or step on the grass in public.

youdao

我在德州农工大学当了四年半校长，看着那些20岁上下，穿着拖鞋T恤短裤、背着书包的年轻人在校园里面游走或在草地上嬉耍。

I spent four and a half years at Texas A&M watching 18- to 25-year-olds walk around campus in flip-flops and shorts and T shirts, wearing backpacks and having fun going to class.

youdao

第四，睡眠环境要讲究不能随便找个地方，更不能在草地、水泥地上顺势躺下就睡，或在风口处睡。

Fourth, sleep environment should not take place, but not in the grass, the cement floor and homeopathic lay down to sleep, or sleep in the air.

youdao