It was strange, how invisible a clerk could feel.一名办事员会感到如此受人忽视，令人觉得不可思议。The invisible trade surplus was £200 million lower than reported.无形贸易盈余比报道所称的少2亿英镑。The container is invisible until you shine an ultraviolet light ...
Exhaust vaporous wastes through a pipe.通过管道把废蒸汽排空。He decided to do something about reforesting man-made wastes of western Australia.他决定为在澳大利亚西部人为导致荒芜的土地上重新造林做点事情。We endeavour to avoid the old, romantic idea of a gusher, ...