These crustaceans provide a valuable food source for some fish.这些甲壳纲动物是某些鱼类重要的食物来源.When the tide ebbs it's a rock pool inhabited by crustaceans.退潮时，它便成为甲壳动物居住的岩石区潮水潭。Sir. J . Lubbock has recently remarked , that sev...
small freshwater crustaceans with a shield-shaped carapace长有盾牌状甲壳的小型淡水甲壳动物Sir. J . Lubbock has recently remarked , that several minute crustaceans offer excellent illustration of this law.卢布克爵士最近指出, 小型甲壳类中有几种较好的例子,可作为这一法...
He was examined again and then prescribed a different herbal medicine.医生又对他诊察了一遍，然后开了另外一种草药。The tissue is examined microscopically to rule out or confirm cancer.利用显微镜检查组织，以排除或确认癌变。You know you are liable to be cross-exam...
耳塞: 教训和威吓只能 短期 地促动孩子.Ear plugs: Lecturing and threatening may only motivate your child short - term .他们受到纪律和上级指令的激励和促动.They are stimulated and motivated by discipline and direction.采用了肌电图 ( EMG ) 来帮助确定用于促动肌肉圆柱的控制信号.Elect...