a.

1. 稀有的，罕見的
   These flowers are very rare in this country.

   這些花在該國很少見。

2. 傑出的，珍貴的
   Gold is a rare metal.

   金子是貴重金屬。

3. 稀薄的，稀疏的
   The higher you climb up the mountain, the rarer the air is.

   越往山上爬，空氣越稀薄。

4. 【口】非常好的，極度的[B]
   Edison had rare powers as an inventor.

   愛迪生具有罕見的發明天才。

a.

1. （肉等）半熟的，煮得嫩的
   I had a rare beef steak.

   我吃了一塊做得很嫩的牛排。

adj.

1. occurring very infrequently.
   ▸existing in small numbers and so of interest or value.
2. remarkable:
   a player of rare skill.

adj.