这家工厂拥有一套先进的排气装置.The factory has an advanced exhaust.向窗外我可以看见老行政楼的排气系统.I could look out and see the exhaust system of the E . O . B.发动机气门的二种型式是:进气口和排气口.The two types of engine valves are intake and exhaust....
The minute that the war started, everybody was glued to the television.战事一起，所有人都盯紧了电视报道。I use the short-wave radio to get the latest war news.我用短波收音机收听最新的战事新闻。The agreement has raised hopes that the war may end soon.那项协议...