Near the end of Devonian times, thirty percent of all animal life vanished.在泥盆纪末期，30％的动物物种都灭绝了。The contact relationship between Silurian and Devonian is parallel unconformity.泥盆系与志留系之间为平行不整合接触.Blooming of Bacteria and Al...
Data and constraints can easily be changed to test theories.信息库中的数据和限制条件可以轻易地改变以检验假设.Are there any moral constraints on politics in Machiavelli's view?在马基维里的观点中是否存在着对政治的道德限制?He is wanting in moral constraints.他缺少道德约...
By happy coincidence, Robert met Richard and Julia and discovered they were experiencing similar problems.幸运的是，罗伯特碰巧遇到了理查德和朱莉娅，发现原来他们也碰到了类似的问题。The economy is experiencing an upturn.经济正在好转。Many poor households are experie...
New problems arose imperceptibly.不知不觉地出现了一些新问题.Imperceptibly, the boat had slowly turned.船慢慢地在转弯, 简直使人不觉得.Time fled, and she was surprised to find the year passed imperceptibly.光阴飞逝, 她诧异地发觉一年不知不觉就过去了....
到目前为止，参加测试的有57人，测试结果均呈阴性。So far 57 have taken the test and all have been negative.在多数语言中，形容词的阳性和阴性的拼法略为不同。In most languages adjectives have slightly different spellings for masculine and feminine.在威尔士语和爱尔兰语中，表示“月亮”的词是阴性的...