Red Cross officials said they urgently needed bread and water.红十字会官员说他们急需面包和水。Legislation on this issue is urgently needed.这个问题急需立法。All of our hospitals are bursting at the seams; we have to build new ones urgently.所有的医院...
The origins of ethology can be traced back to Darwin.人种学的起源可以追溯到达尔文.Ethology is the study of animal behavior, based in zoology.动物行为学是基于动物学之上的研究动物行为的学科.Note the relevance of this concept to human ethology.注意到这个概念与人类行为学的关联...
去乘尾数是零的数字时, 先将零移下.When multiplying numbers ending in nought , bring down the noughts first.尾数对数的小数部分. 如在对数2.95424中, 尾数是0.The decimal part of a logarithm. In the logarithm 2.95424, the mantissa is 0.95424.尾数对数的小数部分.如在对数2....