以balloons have been used for sport for aboutone hundredyears.开头的文章
以balloons have been used for sport for aboutone hundredyears.开头的文章
英语人气:518 ℃时间:2019-12-26 14:17:22
优质解答
Balloons Balloons have been used for sport for about one hundredyears.There are two kinds of sport balloons,gas and hot-air.Hot-air balloons are safer than gas balloons,which may catch fire.Hot-air ba...
我来回答
类似推荐