我把它打跑了，但小臂被咬了一口。I struck it away and got a bite on my forearm.那伙人也想过要揍他，但最后只是啐了他一口。The gang thought of hitting him too, but decided just to spit.他操着一口带有德国腔的英语问我在法国玩得是否愉快。He asked in his Germanic English if I was enjoying...
It did not furnish an explantation for the heat generated by friction.它未能圆满地解释因摩擦而产生的热.kinetic friction动磨擦In order to assess the friction of lubricants on multifilament yarns , finish - free yarns are required.为了评定润滑剂对复丝...