And shift workers and frequent fliers can develop a circadian rhythm disorder.轮班工人和频繁飞行者会出现睡眠节律障碍.Circadian rhythms show persistent, stable periodicities of about 24 hours.昼夜节律表现出大约24小时的连续而稳定的周期性.upset sb.’s circadian cl...
As major airlines give up less-traveled routes, smaller planes are picking up the slack.由于大型航空公司放弃了乘客较少的路线，一些较小的飞机正在加紧补位。The president traveled by rail to his home town.总统坐火车回到了他的家乡。While he had originally traveled in or...
You don't need green fingers to fill your home with lush leaves.不是园艺大师也可以把自己的家里装点得绿意盎然。The fabrics were lush.布料奢华。St Vincent is a lush, volcanic island.圣文森特岛是座郁郁葱葱的火山岛。...