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...
...the chasm that divides the worlds of university and industry.将大学和企业两个世界分隔开的鸿沟...the artificial line that divides the city.划分城市的人为分界线The river divides into two streams at this point.这条河在此分成两条支流.The equator divides the ...