Scientists are trying to pull together disparate ideas in astronomy.科学家们正试图将天文学中的各派观点整合在一起。Speaking generally, the space enterprise has served astronomy well.总的说来，航空企业很好地促进了天文学的发展。We are on the threshold of a new era in ...
On many modern wooden boats, epoxy coatings will have been used as a base for varnishing.很多现代的木船将采用环氧涂层作底漆。Don't tread on that part of the floor - I've just finished varnishing it.别踩那边的地板,我刚刚涂上了清漆.Powder paint ...
George Eliot was a pen - name; her real name was Mary Ann Evans.乔治·艾略特是笔名, 她的真名是玛丽·安·埃文斯.He wrote to Eliot about a "big book" that was germinating in his mind.他写信告诉埃利奥特他脑海中正在酝酿的一本“巨著”。Today, however -- a century after he...
They kept switching meeting places.他们不断改变碰面的地点。Check all your wiring before switching on the current.开启电流前检查所有的电线路.Off deck ( switching off exciter )断开板 ( 断开激励器 )In linear cavity AOM is employed as the Q switching.在Littr...