It's one meter long.请问这里的 long 词性?

It's one meter long.请问这里的 long 词性? ----What's the _____(long)of your desk?----It's about one meter. What's the_(long)of your desk?It's about one meter. The ice in the river is about one meter __.it is strong to skate on.(long high thick wide) it is about one meter across (翻译) two-feet-long还是teo feet long连字富豪德结构是什么?我不明白德是ten-meter-wide为什么是错德?正确答It's a 500-meter-long这个为什么就可以呢?还有那些呢! 为什么one meter long和one minute's walk不一样为什么one meter long(包括five years old)都是没有一撇的,可是one minute's walk有一撇那是不是和long，old是形容词walk是做名词用有关？ The wall is___.It is a____wall.选择A.five meter long;five metres long B five- meters long;;five-metre long C fivemeters long;five-meter-long D five-meter long;five-metres-long 里面的哪个 —How long is the bridge?—It'sA.300-meter-long B.300-meters long C.300 meters long D.300 meter long What will the future be like?It's possible that we may often fly up into space!Out of all thecoolest inventions of the year,Time chose Spaceship One as the best.　　Spaceship One is a 6-meter-long white spaceship.On June 21,American pilot Mike Melv It is 1.7 meters long.和 It is 1.7 meter long.哪一句正确? one point five meter 是复数吗超过1的,meter要加s吗 碰到一道题It is 22 meter.为什么meter不加s? 60米长用英文可以说成60-meter-long吗?什么时候可以加连字符,meter不加s呢? It's A Long It's a long it's spend long How amazing the noodle is——I am sorry,it isA1740-meter-long B1740-meters-long C1740 meters long?