a.

1. 有錢的，富有的[R]
   He grew rich from selling used cars.

   他靠賣舊車致富。

2. 富於……的，有很多……的[F][（+in）]
   The country is rich in resources.

   這個國家資源豐富。

3. 貴重的；富麗的；奢華的
4. （食物）營養價值高的；油膩的；味濃的
   I don't like rich food.

   我不喜歡油膩的食品。

5. 肥沃的，豐饒的
6. （聲音）圓潤的；深沉的；（顏色）濃豔的
   He has a rich bass voice.

   他有一副深沉的男低音歌喉。

adj.

1. having a great deal of money or assets.
   ▸(of a country or region) having valuable natural resources or a successful economy.
   ▸of expensive materials or workmanship.
2. plentiful; abundant.
   ▸ (rich in) having (something) in large amounts.
   ▸(of food) containing much fat, spice, etc.
   ▸(of the mixture in an internal-combustion engine) containing a high proportion of fuel.
3. (of a colour, sound, or smell) pleasantly deep and strong.
4. full of interesting diversity:
   what a full, rich life you lead!
5. producing or yielding a large quantity of something.
   ▸(of soil or land) fertile.
6. informal (of a remark) causing ironic amusement or indignation.