bootless的音标：bootless的英式发音音标为：['bu:tlɪs]bootless的美式发音音标为：['butlɪs]...

adv.无益地...

bootless的近义词/同义词有：useless, purposeless, fruitless, abortive, futile, purposeless, useless。adj.bootless的近义词（无益）：useless, purposeless。bootless的近义词（其他释义）：fruitless, abortive, futile, purposeless, useless。...

I " trouble deaf heaven with my bootless cries. "我 “ 哭天天不应 ”.That effort will be bootless.那种努力将是无益的....

bootlessly的音标：bootlessly的英式发音音标为：[bu:tlzs'laɪ]bootlessly的美式发音音标为：[butlzs'laɪ]...

adj.无用的，无益的...