螺旋体和其他滑动的生物能在琼脂表面或里面滑行.Spirochetes and organisms that show gliding movement can move over or through an agar gel.梅毒: 由苍白密螺旋体(Treponemapallidum)引起引起的一种性传染病.Syphilis: Sexually transmitted disease caused by the spirochete T...
松鼠贮藏坚果以备过冬.The squirrel makes a store of nuts for the winter.松鼠是栖于树上的动物.Squirrels are arboreal creatures.红色松鼠在英国已十分罕见了.Red squirrels are now very rare in Britain....
The catalog includes helpful information on the different bike models available.目录中包括了在售的各种型号自行车的有用信息。The catalog is organized alphabetically by label name.这个目录按标签名的字母顺序排列而成。This stamp catalog ( ue ) s at five dollars.这张...
The heron flapped slowly off across the lake.那白鹭振翅向湖对岸慢慢飞去.Heron also translated much of the Greek geometrical algebra into arithmetic and algebraic processes.Heoom又把不少希腊的几何代数法翻译成算术和代数步骤.ELAINE HERON : When I came to Bel...