我们必须好好准备，不能出任何差错。We must be well prepared, there must be no slips.哎呀，出了个小差错。Whoops, that was a mistake.我们已经清楚出了差错。It has now become evident to us that a mistake has been made....
在患病牙齿附近可见齿龈脓肿或齿龈疖.A parulis, or gum boil, may be present near the involved tooth.在我突出于齿龈的部分有一层珐琅 “ 皮 ”.My part that protrudes from the gum has a'skin " of enamel.你的牙拔去之后,齿龈萎缩了不少.How your gums have shrunk since your ...
Many alternative authors have been suggested most prominently , Christopher Marlowe and Francis Bacon.于是,便提出了许多其他作家——提到最多的是克里斯托弗-玛洛及弗朗西斯-培根.As Francis Crick and James Watson say, the possibilities are endless.就像弗朗西斯?克里克和...