请问A twenty-meter-long bridge可不可以转换成A bridge is twenty meters

a 50-meter-long bridge over the river中 50-meter-long为什么不像min 是800-meter-long bridge还是800-meter long bridge There is _80-meter-long bridge over _river 那两个空里边是填a或an或the还 请教一个英语句子 We have build a bridge a hundred meters long. This bridge is forty-five meters long 的同义句 nanpu bridge is 8346 meters long(同义句) The river on which a new bridge is being built is 209 meters an 80-meter-long bridge和an 80-meter long bridge哪个正确? That’s __ 180-meter-long bridge,not __ 80-meter-long bridge. English is a bridge ____knowledge. long there a is bridge vilage in my 连词成句 a/an 100-metter-long bridge