很早以前,科学家们就设想发明一种不用火药且不会发生膛炸的高速炮。

很早以前,科学家们就设想发明一种不用火药且不会发生膛炸的高速炮。的英文翻译

基本释义

• It is a long-time dream for scientists to produce a kind of high-speed gun, which need no gunpowder and would not bore prematurely.