Waiters serve us food and drinks and postmen deliver letters.餐馆服务员供应我们食物,邮政人员给我们送信.The dog has nipped the postmen on the leg.这条狗咬了邮递员的腿.Where do these people work? In the post office. They are postmen.这些人在哪儿工作? 在邮局. 他们是邮...
The microstructure of the film was studied by scanning electron microscope.用扫描电镜观察了膜的微观形态.The microstructure and its change during burning process was introduced.介绍了木质陶瓷的微观结构及其在焙烤过程中的变化机理.The results are important to ana...
These species do not interbreed.这些物种不能杂交.It enables scientists to transfer genes between different species that would not interbreed in nature.它使科学家之间的转移基因的不同物种,不会杂交的性质.They were rare , and the pure - strain wild turkeys...