James Walt ----the steam engine.用invent 的正确时态

James Walt ----the steam engine.用invent 的正确时态 13.James Watt ______ the steam engine. 帮我翻译下 Walt invented the steam engine急! 1.as a boy,james watt,who invented the steam engine later,__ steam engine 16.The engine _____ smoke and steam. Who invented the first steam engine? who invented the first steam engine. who invented the first steam engine?翻译 look after steam engine steam engine是什么意思 跪求英语翻译The invention of the steam engine in the latter part o