相关单词近义词 open 开着的, flexible 柔韧的, undecided (胜负)未决定的..., unrestricted 不受限制的, fluid 液体临近词open, open ice相似词open-and-shut, open-casket, open-cut, open-door, open-eyed, open-faced sandwich, open-handed, open-heart surgery, 返回 open-ended