用英语说是:They are healthy,就是他们很健康的意思。
例句如下:
Although my uncle is old he looks very strong and healthy.
我的叔叔虽然老了,但他看上去还是很健壮。
I find it interesting and healthy to go mountain climbing.
我觉得爬山有趣又有益健康。
You don't have to spend a fortune to give your family tasty, healthy meals.
让家里人吃味道好又健康的餐食并不需要花许多钱。
A diet lacking in nutritional value will not keep a person healthy.
缺乏营养价值饮不能维持健康。
Mary gave birth to a healthy baby girl.
玛丽生了个健康的女婴。