ratch
US /rætʃ/
・UK /rætʃ/
A1 初級
n.名詞棘輪
The wrench has a ratch that allows it to tighten bolts without removing it from the nut.
n.名詞棘輪扳手
He used a ratch to tighten the bolt.
v.i.不及物動詞發出咔嗒聲
I could hear the ratch of the gears as the machine started up.
v.t./i.動詞 (及物/不及物)用棘輪移動
He ratched the lever forward to engage the mechanism.
