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.
英
美
释义
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。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载