this( two metres long ,two --metre--long)desk is jenny's
问题描述：
this( two metres long ,two --metre--long)desk is jenny's
答
选two-metre -long 加连字符，看做一个复合形容词，做定语修饰desk。 像 an eight -year-old boy
答
填写two metre long
two metre long table 两米长的桌子
meter这里要用单数，因为two metre long 是table的定语
下面的情况meter要用复数
This is table is two metres long.
答
two --metre--long 两米长
two metres long 作表语 不作定语