healthy

adj. 健康的，健全的；有益于健康的

英文词源

healthy (adj.): 1550s, "being in a sound state;" also "conducive to health," from health + -y (2). Earlier in the same sense was healthsome (1530s). Related: Healthily; healthiness.
It is wrong to say that certain articles of food are healthy or unhealthy. Wholesome and unwholesome are the right words. A pig may be healthy or unhealthy while alive; but after he is killed and becomes pork, he can enjoy no health, and suffer no sickness. [Eliza Leslie, "Miss Leslie's Behaviour Book," Philadelphia, 1839]
Healthsome is from 1530s in the sense "bestowing health."

1. The birth of a live healthy baby is a truly blessed event.: 一个健康活泼的婴儿的出生真是一件可喜的事情。

2. Was it just a temporary blip on an otherwise healthy growth curve?: 这是否是原本良好的增长曲线中暂时的偏离？

3. The film opened to healthy box office receipts before rapidly falling off.: 这部影片的票房收入开始的时候持续上涨，但是后来急剧下降。

5. My department had a healthy interest in keeping expenses down.: 我部门对维持低水平开支有浓厚兴趣。