NASA has started a 10-year search for extraterrestrial intelligence.美国航空航天局已经启动了一个为期10年的寻找外星人的项目。One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorites.地球外存在生命的理论是...
Methods Eyesight survey, eyeground check and questionnaire.方法视力普查 、 眼底检查与问卷调查相结合.Objective To study the Influence of personality on propofol resisting anxiety in eyeground operation.目的研究人格中情绪因素对眼底手术中异丙酚抗焦虑作用的影响.Worried t...
他缓过劲儿来，骑马逃离了追赶他的人。Finding a second wind, he rode away from his pursuers.别人给娜奥米一匹小型马并教会她如何侧骑马。Naomi was given a pony and taught to ride side-saddle.你会骑马吗？Can you ride?...