heroine的复数形式为：heroines...

The company has made heroic efforts at cost reduction.公司在降低成本方面付出了艰苦卓绝的努力。He finally faltered in the last game of a heroic match.他在这场艰苦比赛的最后一局中踉跄结束。Their dogged single-mindedness is almost heroic.他们不屈不挠专心致志的劲头简直是一种壮举。...