She has recently begun to slouch over her typewriter.最近，她坐在打字机前就开始变得无精打采的。He straightened himself from a slouch.他一改刚才的无精打采，挺直了腰杆。Sit up straight. Don't slouch.挺起胸坐直，别歪歪斜斜的。...
She has recently begun to slouch over her typewriter.最近，她坐在打字机前就开始变得无精打采的。A red supergiant , Betelgeuse is no slouch of a star either.参宿四是一颗红色的超巨星.One can appear to be about two inches shorter by practicing a slouch.装成没精...
She felt that her family was an obstacle to her work.她感到她的家庭妨碍她的工作.He is in the full flush of success ; nothing was an obstacle .他的成就如日中天, 锐不可当.The fallen tree lying across the road is an obstacle.横在大路上一棵倒下的树是障碍....