1. Check oil filter and clean out residue at the bottom of the filter. 检查润滑油过滤器，清除过滤器底部的残余物。
2. In Washington itself, the percentage of notes with cocaine residue reached 93%, a prevalence almost matched by other urban areas such as Boston, Detroit and Baltimore. 在华盛顿，沾染可卡因的美钞比例达到93%，而其它城区如波士顿、底特律和巴尔的摩大，也几乎与之并驾齐驱。
3. The viscosity, combustion heat, sulfur content, carbon residue, ash, flash point, moisture and cetane value of biodiesel and its blending oils with diesel were determined. 测定了生物柴油及其与石化柴油的调和油的粘度、燃烧热、硫含量、残炭、灰分、闪点、水分和十六烷值的含量。
英英解释
n.
1. matter that remains after something has been removed
2. something left after other parts have been taken away
