帮我翻译下 Walt invented the steam engine急!
帮我翻译下 Walt invented the steam engine急!
who invented the first steam engine?翻译
Who invented the first steam engine?
who invented the first steam engine.
James Walt ----the steam engine.用invent 的正确时态
Jame watt __ the steam engine A was invented B invented C ha
1.as a boy,james watt,who invented the steam engine later,__
steam engine
13.James Watt ______ the steam engine.
16.The engine _____ smoke and steam.
look after steam engine
steam engine是什么意思