insteps
- n.鞋面;足弓;足背
- instep的复数
insteps
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The stereocontrol synthesis of 4 β - methyl-5 α - cholestane ( 6 ) from cholesterol ( 1 ) insteps was reported .
本文报道以胆甾醇为原料经四步反应立体控制合成4β-甲基-5α-胆甾烷(6)的新路线。
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There was once a little girl who was very pretty and delicate , but in summer she was forced to run about with bare feet , she was so poor , and in winter wear very large wooden shoes , which made her little insteps quite red , and that looked so dangerous !
红鞋从前有一个小女孩——一个非常可爱的、漂亮的小女孩。不过她夏天得打着一双赤脚走路,因为她很贫穷。冬天她拖着一双沉重的木鞋,脚背都给磨红了,这是很不好受的。