相关单词近义词 unbounded 无限的, accessible 可得到的open wide, 张大, 大开, gaping 张开的, agape 瞠目结舌的, yawning 打呵欠, cavernous 似巨穴的, unpredictable 不可预知的, undecided (胜负)未决定的..., anybody's guess 谁也猜不准的事情..., up for grabs 很容易到手，可获得..., unsettled 未处理的, vulnerable 易受伤害的, unprotected 无保护的, exposed 暴露的, unguarded 无保护的, at risk 处境危险, lawless 违法的临近词wide, Widerdal 返回 wide-open