The swastika flags flapping noisily in a high wind were all to visible in prague in peacetime . 即使在升平岁月里，布拉格街头一些在劲风中飘扬的字旗也是到处可见。
Mrs. dulcie stood up and flapped her wings. again she rose off the floor and landed gently across the stage . 杜尔希太太站起来拍动她的翅膀，她又升离地板了，并且缓缓的降落在舞台的另一端。
The name tricuspid refers to the three flaps of tissue that guard the opening between the right atrium and the right ventricle . 三尖瓣这个名称与守卫着右心房和右心室开口的三块片状瓣膜有关。
A light flapped over the scene, as if reflected from phosphorescent wings crossing the sky, and a rumble filled the air . 一道闪电划过长空，宛如横空飞过的闪着磷光的翅翼，随即，空中滚过了隆隆的沉雷。
the configuration has two tractor propellers, full-span double slotted flaps deflected 45°, and a high tail. 实验模型有二两拉力螺旋桨，全翼展双缝襟翼偏转45，并有高置的水平尾翼。
He towered over them in a velvet-collared coat, his big-brimmed soft gray hat pulled low on his head and flapping in the icy wind . 他的个子高出他们许多，穿了一件天鹅绒领子的大衣，头上那顶灰色的宽沿软帽拉得很低，被凛冽的寒风吹得呼扇着。
Determination of microvessel density of abdominal flap 腹部皮瓣微血管密度的测定
General specification for indicator of wing flap position 襟翼位置指示器通用规范
" place the small metal flap into the buckle . “将那块小金属扁平物插进扣环里”
A flap from the tail of the whale upset the boat 鲸尾轻轻一拍便把小船打翻了。
