feeler
n. [动] 触角;试探;试探者;厚薄规
复数 feelers
例句
Measuring clearance reduction with a feeler gauge.
用测隙规测量游隙减小量。
Be sure nothing interferes with the sweep of the feeler arm.
确保探测臂摆动时无阻碍。
I am putting out feeler to see if he'd like to come and work for us.
我正在试探他,看他是否愿意来为我们工作。