Cetaceans reduce the number of breaths they take during rest periods.鲸类动物在休息时减少它们的呼吸次数.It is not clear whether cetaceans undergo dream sleep.鲸类动物是否经历梦睡眠还不清楚.Missing until recently were fossils clearly intermediate, or tr...
What is this current television obsession with older men and nubile young women?现在的电视节目为什么这么喜欢描写老男人和妙龄性感女郎的故事呢？They aim their advice squarely at nubile girls who have falsely equated romantic love with happiness.其目的是如实地建...
围裙是做脏活时的保护物.An apron is a protection when doing dirty work.各种维生素都是保护物,能对抗某些养素缺乏症.Vitamins are protectives against certain deficiency disease.钢铁制品常常涂上一层保护物,以免生锈.Steel and iron products are often coated lest they should ru...