形容词罕见的，特殊的; 优秀的，不寻常的; 稀薄的，经过稀化的
形容词
1. Gold is a rare metal.
金子是贵重金属。
2. That bird is very rare in this country.
那种鸟在这个国家很稀有。
3. These flowers are very rare in this country.
这些花在该国很少见。
4. I had a rare beef steak.
我吃了一块做得很嫩的牛排。
5. The higher you climb up the mountain, the rarer the air is.
越往山上爬，空气越稀薄。
4. rare：（reseaux associes pour la recherche europeenne— the european association of research networks）; 欧洲科研网络协会
5. rare：retinoic acid response element; 视黄酸反应元件
1. 稀有的；罕见的；珍奇的
Something that is rare is not common and is therefore interesting or valuable.
e.g. ...the black-necked crane, one of the rarest species in the world...
黑颈鹤，世界最稀有的物种之一
e.g. She collects rare plants...
她收集稀有植物。
2. 少见的；不常发生的
An event or situation that is rare does not occur very often.
rare
e.g. ...on those rare occasions when he did eat alone...
在那些极其少见的、他的确单独吃饭的时候
e.g. Heart attacks were extremely rare in babies, he said...
婴儿极少有心脏病发作的情况，他说。
3. （品质）极好的，杰出的
You use rare to emphasize an extremely good or remarkable quality.
e.g. Ferris has a rare ability to record her observations on paper...
费里斯具备把自己的观察结果记录下来的超强能力。
e.g. It was a rare pleasure to see him in action.
看他打球是一种享受。
4. （肉类）半熟的，嫩的
Meat that is rare is cooked very lightly so that the inside is still red.
rare的翻译
e.g. Thick tuna steaks are eaten rare, like beef...
像牛肉一样，厚的金枪鱼排做到半熟即可食用。
e.g. Waiter, I specifically asked for this steak rare.
服务员，我特别强调了这块牛排要做得嫩些。