ratch
导读：ratch读音音标
英 [rætʃ]美 [rætʃ]
ratch意思解释
n.（防倒转的）棘齿；齿杆； 英英释义 ratch[ rætʃ ]n.mechanical device consisting of a toothed wheel or rack engaged
英 [rætʃ]美 [rætʃ]
ratch意思解释
n.（防倒转的）棘齿；齿杆； 英英释义 ratch[ rætʃ ]n.mechanical device consisting of a toothed wheel or rack engaged
ratch读音音标
英 [rætʃ]
美 [rætʃ]
ratch意思解释
n.
（防倒转的）棘齿；
齿杆；
英英释义
ratch[ rætʃ ]
n.
mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction
同义词：ratchetrachet
