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retard [ri'tɑ:d] 
词性及解释
  • n.
    阻止, 延迟
  • vt.
    妨碍, 延迟, 使减速
  • vi.
    减速, 延迟
  • 【法】
    阻碍, 延缓
词形变化
名词: retarder 动词过去式: retarded 过去分词: retarded 现在分词: retarding 第三人称单数: retards
英英解释
  • 1.
    v.cause to move more slowly or operate at a slower rate
    [例]
      This drug will retard your heart rate
  • 2.
    v.be delayed
常用词组
习惯用语
  • 1.
    in retard
    迟延, 耽搁, 阻碍
  • 2.
    keep at retard
    使迟延, 耽误, 阻碍, 妨碍发达[进步]
例句
  • 1.
    To expose(a substance)to the circulation of fresh air,AS to retard spoilage.
    为…开通气孔把(一个物体)暴露到新鲜空气的循环中以减缓损坏
  • 2.
    I CAN report that we have what appears to be a beneficial medication to retard mental aging and aid acuity, the two things going together
    我可以报告说,我们已经有了某种看来可以推迟脑力老化,有助于保持机敏的有益药物,这两者是相辅相成的。
  • 3.
    The aperture was already sufficiently large FOR him to enter, but by waiting, he could still cling to hope, and retard the cetainty of deception
    最初出现的洞口已足可容纳一个人进去但多等一会儿,他就可以多抱一会儿希望,迟一会儿证实自己是被欺骗了。
  • 4.
    A chemical plant growth regulator,C6H12N2O3,used commercially on apples to retard growth,enhance color,and increase storage life.
    植物生长调节器一种植物生长的化学调节器,C6H12N2O3,在商业上用在苹果上以减缓其生长速度、增加颜色和延长保存期
  • 5.
    That unpleasant news might retard his recovery.
    那个坏消息可能妨碍他的复元。
  • 6.
    To retard or obstruct the progress of.
    妨碍拖延或阻挡…的进程
词汇级别

小测验:选择正确的单词

a. 结网的, 网的 n. 结网的蜘蛛
  • A.rdetiary
  • B.rdeticent
  • C.rdeticence
  • D.rdetention

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