a.

1. 健康的；健全的
   The country's economy is not very healthy.

   该国的经济不很景气。

   The children look very healthy.

   孩子们看来很健康。

2. 有益于健康的
   That book is not healthy reading for a child.

   对孩子来说那书不是本健康读物。

   healthy country air

   有益于健康的农村的空气

3. 看起来健康的
   His cheeks have healthy glow.

   他的双颊有着健康的红晕。

adj.

1. in good health; not unwell or diseased.
   ▸indicating or promoting good health:

   a healthy diet.
2. normal, natural, or desirable:
   a healthy attitude.
   ▸of a very satisfactory size or amount:

   a healthy profit.