Feeler
01
触角, 触手
any of the pair of tentacles of an insect or crustacean that help them to sense touch or taste
02
ひげ, 触覚突起
slender tactile process on the jaws of a fish
03
センサー, 受容器官
sensitivity similar to that of a receptor organ
04
探り, 試験気球
a tentative suggestion designed to elicit the reactions of others
