卡车嘎吱嘎吱地在凹凸不平的地面上颠簸而行。The truck jolted and rattled over the rough ground.旧公共汽车 ( 沿凹凸不平的小路 ) 颠簸而行.The old bus jolted along ( a rough track ).巴士沿着大路颠簸而行.The bus bounced along the road....
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...