“manned balloon”可以造什么句,manned balloon造句
来源:语文精选馆 2.65W
2、a small unmanned balloon set aloft to observe atmospheric conditions.
1、His article for National Geographic details the challenges he undertook to achieve the longest manned balloon flight.
2、a small unmanned balloon set aloft to observe atmospheric conditions.
1、His article for National Geographic details the challenges he undertook to achieve the longest manned balloon flight.