Cogwheels
(cogwheel 的復數) n. 鈍齒輪, 嵌齒輪
??? 情景例句
Certainly.
當然可以。
Mrs. Hughs, this is Peter Brown.
休斯太太，這是彼得i布郎。
OK. And we'd better ask Mom whether it's cheap enough!
好的。我們最好是問問媽媽價錢是否便宜！