地球外存在生命的理论是基于陨星上存在碳化合物质这一事实的.One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorites.在蛋自质中, 氮原子与碳 、 氢、氧原子相化合.In proteins, atoms of nitrogen are combined with carbon...
'Mum thinks I should stop imposing on your hospitality, Leo,' said Grace.“利奥,我妈妈觉得我不应该再在这儿麻烦你了，”格雷丝说。'There, there,' said Mum. 'You've been having a really bad dream.'“好了，好了，”妈妈说，“你只是做了...
Rhodium - plated scarf necklace with cubic - cut Comet Argent Light crystals; link chain.铑镀领巾项链立方切银彗星光晶体; 链.Argent, white or silver - Peace and sincerity.银色 、 白色或银白色 - 和平与诚实.Still bore the family arms, and had for his cr...
There was an audible sigh of relief in Washington when the foreign ministers decided to postpone the meeting.各国外长决定推迟会议后，华盛顿如释重负。It is totally out of the question to postpone the midnight deadline.想要推迟午夜的最后期限是完全不可能的。He s...
介绍了一种用于铸造车间的型砂水分自动控制系统.A sand moisture automatic control system for foundry is introduced.介绍了一种新型的型砂水分测控系统.A new measure & contml system for moisture content sand was introduced.介绍了用累托石粘土作型砂粘结剂和水基涂料悬浮剂的试验结果.Describes som...
Concert organisers branded the group's actions as puerile.音乐会的组织者指称该乐队的行为愚蠢幼稚。The story is simple, even puerile.故事很简单，甚至有些幼稚。The belief in it issues from the puerile egos of inferior men.这种信仰是下等人幼稚的自私意识中产生的....