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back and forth ['bæk ənd 'fɔ:θ]
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词性及解释
  • 来回地
词形变化
名词: back-and-forth
英英解释
  • 1.
    adv.moving from one place to another and back again
    [例]
      he traveled back and forth between Los Angeles and New York
      the treetops whipped to and fro in a frightening manner
      the old man just sat on the porch and rocked back and forth all day
常用词组
例句
  • 1.
    We see an extremely excellent scene of the fire dragon shuttling back and forth among fireworks.
    焰火中,火龙穿梭,火花四射,异常精彩。
  • 2.
    Ferries sailing back and forth between Dover and Calais
    往返于多佛港和加来港之间的渡船.
  • 3.
    She rocked back and forth in the chair.
    她坐在椅子上前后摆动。
  • 4.
    Someone was pacing back and forth behind the curtain.
    有人在幕布后踱来踱去。
  • 5.
    While he was questioning the wheelwright, some people who were passing back and forth halted around them
    当他在问那车匠时,有些来往过路的人便在他们周围停了下来。
  • 6.
    To move back and forth or to and fro,especially rhythmically and rapidly.
    摆动,振动迅速并有节奏的来回移动
  • 7.
    Keep flame away from rod or wire As it is fed into the joint. Move flame back and forth as alloy is drawn into joint.
    当焊杆或焊线进入连接处时要将火焰从其上面移开。当合金流进连接处时,要前后移动火焰。
  • 8.
    In shaping, the cutting tool on a shaper reciprocates or moves back and forth while the work is FED automatically towards the tool.
    在仿型刨削操作中,仿型刨床上的刀具作往复或前后移动的同时,工件被自动推向刀具。
  • 9.
    A structure at the base of the mouth of most mollusks over which the radula is drawn back and forth in breaking up food.
    舌突起,齿担一种生理构造,位于大多数软体动物的嘴底部,在这之上齿舌来回收缩以击碎食物
  • 10.
    A sport played by volleying a shuttlecock back and forth over a high,narrow net by means of a light,LONG.- handled racket.
    羽毛球一种体育运动,在一定高度、宽度的网子范围内用一只轻的长柄球拍前后截击羽毛球
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n. 保释, 拎环, 杓, 栅栏 vt. 保释, 舀水
  • A.bdallot
  • B.bdail
  • C.bdack up
  • D.bdackground

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