水痕 meaning in English

drop marks
rill
washmarking

Chemical analysis of propylene . determination of water traces
丙烯的化学分析.水痕量的测定
Second defect ： including scrape , burrs , rust of the face and the quality of electroplated
次要缺失：指刮痕、毛边、电镀、板面锈蚀、水痕、五彩颜色. .等。
Every one on board remained motionless for half an hour , when the same luminous track was again observed , and the swimmer was soon on board
在半个小时内，船上的每一个人都一动不动，当那道发光的水痕又出现时，他用力划了两划就回到了船上。
During this time the captain had thrown off his vest and shirt , and secured his trousers round his waist ; his feet were naked , so he had no shoes and stockings to take off ; after these preparations he placed his finger on his lips , and lowering himself noiselessly into the sea , swam towards the shore with such precaution that it was impossible to hear the slightest sound ; he could only be traced by the phosphorescent line in his wake
这时，船长已脱掉他的背心和衬衫，紧了紧他的裤子他原来就赤着脚，所以根本没有鞋袜可脱。完成这些以后，他把手指放在嘴唇上做一个要大家保持肃静的动作，就一点儿声响没有地滑入海里，极其小心的游向岸边，没有一丝哪怕最轻微的动静。只有从那条闪着磷光的水痕才能跟踪到他。