Her grip slackened on Arnold's arm.她紧握着阿诺德的手松开了。At about five o'clock, business slackened off.大约5点钟的时候，生意闲了下来。According to the survey, overall world trade has also slackened.根据这项调查，世界贸易整体上也有所放慢。Her grip slacken...
最好用真皮为孩子做鞋.It's best for children's feet to be shod with real leather.那不是真皮, 只不过是仿制品.It's not real leather; it's only an imitation.这种新型人造材料摸起来像真皮一样.This new man - made material feels like real leather...