Downtonn.唐顿downadv.向下prep.沿着 ... 而下adj.向下的；消沉的；无礼的n.绒毛；汗毛v.击倒；打败；吞下；被抑制down stream solute migration rate下游溶质迁移速率down-hole troublesome condition复杂情况Down rippled the brown cascade.那褐色的瀑布泼撒了下来。Down sits Mr. Brass's lawyer.Downes and Stephen J.Goldsack.作者声明: Valerie A.Down in Virginia.From Bootleg.路听听听听听听听 3.downlink channel state information下行信道信息downhole tool for horizontal wells水平井井下工具down-to-ground openwork screen落地罩downhole teleview logging apparatus孔内电视测井仪

1. Your jacket needs brushing down,it's covered with fluff.
   你的上衣需要刷一刷了，上面有些绒毛。
2. All of the brown-yellow star villi, branches and leaves the surface without hair.
   全体密被棕黄色星状绒毛，枝条及叶表面无毛。