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 taught me to edit and splice film.他教我电影剪接。Show me how to splice together knitting wool, will you ?教给我接毛线, 好 吗 ?The boy and I will splice them when we are home.回家以后,我要跟孩子把它们接起来.He taught me to edit and splice film...他教...
Hospitals, schools and orphanages built along with churches.在教会附近,往往能看到医院 、 学校和孤儿院.Volunteers will club together to assist local orphanages.志愿者们组织起来去帮助当地的孤儿.We are also working in some of Beijing's orphanages and sc...
She was given artificial respiration and cardiac massage.有人给她做了人工呼吸和心脏按压。Blood pressure and respiration are also recorded.血压和呼吸也做了记录。They made frequent checks on his respiration, pulse and blood.他们经常检查他的呼吸 、 脉搏和血液....
The isocyanates can be obtained by the fluorination of nitrogenous cylic or acyclic molecules.异氰酸酯可由含氯的环(或非环)状分子氟化而得.The inheritance hierarchy is actually a directed acyclic graph.注意:继承实际上是开放的层次关系.The Acyclic Dependencie...