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...
She has become a regular visitor to Houghton Hall.她已经成了霍顿府的常客。Ray Houghton smacked the ball against a post.雷·霍顿把球狠狠地砸到一根柱子上。Chelsea and Aston Villa were involved in a tug of war for Liverpool's Ray Houghton last nig...
Farmers with many acres under cultivation profited.耕种大片土地的农场主挣了钱。The cultivation in good taste is our main objective.培养高雅情趣是我们的主要目标.These high yields have been achieved largely through better methods of cultivation.这样高的产...