变形虫是很简单的生物体.The amoeba is a very simple organism.当环境不利时,变形虫产生包囊.An amoeba forms a cyst when conditions are unfavourable.变形虫, 一种淡水生物, 就是这种情况.The amoeba, a denizen of fresh water, is such a case....
土著人以前总是用沉重的石头把这种金属锤打成箭头.The natives used to hammer the metal into arrowheads using heavy stones.来访者用拳头使劲地锤打着大门.The visitor hammered against the door with his fists.我们用铁锤锤打金属.We hammer metal with a hammer....
约壹5:21小子们哪、们要自守、避偶像.Little children, keep yourselves from idols. Amen.其在分析中的应用就是自守函数理论的研究.The application of group theory in analysis is the study of automorphic function.万物的结局近了. 所以你们要谨慎自守、儆醒祷告.The end of all things is ...