Discipline has sharpened them up.纪律使他们更有效率了。The case of Harris has sharpened the debate over capital punishment.哈里斯案激化了人们对死刑的争论。Knives can be sharpened by grinding them against a rough stone.刀能在一块粗石上磨快。...sharpened penci...
The case of Harris has sharpened the debate over capital punishment.哈里斯案激化了人们对死刑的争论。With urbanisation the antagonism between rich and poor sharpened.伴随着城市化的推进，贫富间的对立情绪也加剧了。Her gaze sharpened, as if she had seen something...