a.

1. 敏感的；易受傷害的[（+to）]
   Donna is sensitive to strong smells.

   唐娜對強烈的氣味很敏感。

2. 神經過敏的；易怒的[（+to/about）]
   He is sensitive about his failure.

   人家一提他的失敗他就生氣。

3. 靈敏的，靈敏度高的
   We didn't have a receiver sensitive enough to pick up the signal.

   我們的接收器不夠靈敏，未能收到這個信號。

4. 感光的
   I need some sensitive paper.

   我需要一些感光紙。

5. 要審慎處理的；機密的
   The conference debated the sensitive issue of race relations.

   會議辯論了敏感的種族關係問題。

6. 易波動的，易受影響的[（+to）]
   The cost is not sensitive to the batch size.

   價格不隨批量大小波動。

7. 【醫】過敏的
   The child is sensitive to eggs.

   那孩子對雞蛋過敏。

adj.

1. quick to detect, respond to, or be affected by slight changes, signals, or influences.
   ▸(of photographic materials) responding rapidly to the action of light.
2. having or showing a quick and delicate appreciation of the feelings of others.
3. easily offended or upset.
4. kept secret or with restrictions on disclosure to avoid endangering national security.

n.