shuttle可以: can; may前后: around; about移动: shift; move的: 4次方是 The fourth power of 2 i ...前后移动: dolly moves; fore and aft movement; fore-and-aft movement; shuttle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:可以前后移动的，即可在微信中查询翻译
