热气球作为人类挑战大自然的工具已有 200多年的历史
热心网友
The hot air ball have be mankind challenge the tool of the great universe for more than 200 years
热心网友
Hot air balloons have been man's tools for challenging the nature for 200 years.
热心网友
it has been about two centuries since human beings took fire balloon as a tool to challenge nature.
热心网友
Hot air balloon as a tool for mankind to chanllenge nature has a history of more than two centuries.