1) Who invented the steam engine?
谁发明了蒸汽机?
2) Who invented the zip-fastener ?
谁发明了拉链？
3) Who invented aeroplanes?
飞机是谁发明的？
5) paddle steamer
明轮蒸汽机船
6) Whose serve is it? ie Whose turn is it to serve
该谁发球了?
补充资料：蒸汽
水蒸气。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条