He picked up a pencil and toyed with it idly.他捡起一支铅笔，无所事事地摆弄着。She idly pulled at a loose thread on her skirt.她无聊地扯着裙子上一根松掉的线头。"Has there been an accident?" Gary asked, idly curious.“出什么事故了吗？”加里问道，漫不经心又好奇。...
If a spacecraft travels faster than 11 km a second, it escapes the earth's gravitational pull.如果飞行速度超过每秒11公里，宇宙飞船将摆脱地球的引力。He witnessed many dramatic escapes as people jumped from as high as the fourth floor...他目睹了许多...