By 1727, no fewer than 14 types of submarines had been patented in England alone

游客2025-05-08  1

问题 By 1727, no fewer than 14 types of submarines had been patented in England alone. In 1747 an ______ inventor proposed an ingenious method of submerging and returning to the surface. (identify)

选项

答案 unidentified

解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/4067063.html
最新回复(0)