名詞 feeler:

1. one of a pair of mobile appendages on the head of e.g. insects and crustaceans; typically sensitive to touch and taste
   同義詞：antenna
2. a tentative suggestion designed to elicit the reactions of others
   同義詞：overture, advance, approach
3. sensitivity similar to that of a receptor organ
   同義詞：antenna
4. slender tactile process on the jaws of a fish
   同義詞：barbel

1. I am putting out feeler to see if he'd like to come and work for us.
   我正在試探他，看他是否愿意來為我們工作。
2. The letter was a feeler to see how he would look upon such a movement.
   這封信是一種試探，看看他如何看待這種運動。
3. Almost all insects have feelers.
   昆蟲幾乎都有觸角。

feel.er

n.（名詞）
Something, such as a hint or question, designed to elicit the attitudes or intentions of others.
試探器：為引出別人的態(tài)度或意圖而設計的一個暗示或問題
Zoology A sensory or tactile organ, such as an antenna, a tentacle, or a barbel.
【動物學】 觸角，觸須：感覺或觸覺器官，例如觸角、觸手或觸須