inside 的反义词是outside ，upstairs的反义词是downstairs 一定对，不对来找我吧。参考资料：本人亲笔..
inside 和 upstairs的反义词
inside 的反义词是outside ，upstairs的反义词是downstairs
一定对，不对来找我吧。2011-06-04
outside在外面 downstairs下楼2011-06-04
outside和downstairs2011-06-04
inside---outside
upstairs---downstairs2011-06-04
outside
downstairs2011-06-04
outside
downstairs2011-06-04
outside
downstairs2011-06-04
outside
downstairs2013-02-20
outside
downstairs2011-06-04
