In the heat they sank into a state of torpor.炎热的天气使得他们委靡不振。He fell into a deep torpor.他一下子进入了深度麻痹状态.He had slumped into a state of torpor from which nothing could rouse him.他陷入麻木状态，任何事都不能令他振奋。...
Mixed liquor from the last stage of media a weir and flows to a secondary clarifier.经过最后盘片阶段的混合液经过出水堰流入二沉池.Conclusion: The natural Harvest clarifier can substitute ethyl alcohol in the procedure of removing the impurity....
现在看来似乎悲观论者是正确的。It looks as if the pessimists are being proved right.你或许是个怀疑论者，会把它归因于生活的不公正。You may be a sceptic and put it down to life's inequalities.他是个坚定不移的经验论者，不屑研究理论。He was an unswerving empiri-cist with little...
Stencil manufacturing techniques include chemical etching, laser cutting and electroforming.钢网制作技术包括化学腐蚀, 激光切割和电铸.Original plate: Relief printing plate produced bu 7 photomechanical etching as distinct from electrotyping...