我们应该保持空气清洁和新鲜，保持身体干净。

We should keep the air clean and fresh and keep our bodies clean.

youdao

那婴儿正在睡觉，保持安静！我们必须保持我们的教室干净。

Keep quiet! The baby is sleeping. We must keep our classroom clean.

youdao

为了保持身体健康我们必须保持厨房干净。

We must keep the kitchen clean in order to keep healthy.

youdao

为了保持身体健康我们必须保持厨房干净。

We must keep the kitchen clean in order to keep healthy.

youdao