slick down

1. Italian authorities say it is a race against time to stop a massive oil slick flowing down Italy's longest river.
   意大利当局表示，阻止大规模的浮油继续流入意大利最长的河流是与时间比赛。
2. With an80 kilometer slick of highly poisonous chemicals heading down the Amur River towards one of China's largest cities you have to be pretty stubborn not to think that someone will notice.
   80公里含有剧毒化学物质的浮油通过阿穆尔河流向中国最大的城市，你必须要相当的固执才会以为人们不会留意。
3. The slick floor brought me down in a heavy fall.
   光滑的地板把我重重地摔了一跤。
4. Slick your hair down before you go out.
   出门前把头发捋平。

verb

1. give a smooth and glossy appearance
   1. slick one's hair

   Synonym:    slicksleek down