To move slowly; loiter; stay behind. 缓行；逗留；落后。 The little boy always lags behind his elder brother. 那小男孩总是落后在哥哥后头。 A falling behind in movement. 行动落后；迟滞。 lag screw 木螺钉(一种方形头或六边形头的螺旋钉)。 jet lag 喷射时差；生理时差(指坐喷射机飞行各地时生物时钟被搅乱了的征候)。 A person transported for crime. 【俚】犯人。 To cover (water pipes and containers) with a special material to prevent loss of heat, etc. 以特别材料遮盖(水管或容器)防止热量的损失等。 |