lay gear圈: circle; ring绕: wind; coil变换齿轮: change gear卷绕变换齿轮: lay gear变换齿轮: change gear; change wheel; translating gear; transposing gear下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:圈绕变换齿轮,即可在微信中查询翻译