This theme recurs several times throughout the book.这一主题在整部书里出现了好几次。Leap year recurs every four years.每四年闰年一次.The disease recurs in epidemic cycles at two - to three - year intervals .本病流行周期为 2-3年....
Slowly she threaded her way back through the moving mass of bodies.她从人流中慢慢地挤了回来。Air ducts and electrical cables were threaded through the complex structure.通风管和电缆在这幢结构复杂的建筑物中穿过。We threaded through a network of back stree...
All those three books are compacted and compressed into one book.那三本书的内容全都压缩进一本书了。Jets of compressed air gave the aircraft lateral and directional stability.压缩空气的喷吐使飞机的左右和前后都能保持稳定。The compressed gas is cooled and condens...