您要查找的是不是：
- The wake survey cannot be used to measure the drag of stalled airfoil or of airfoils with flaps down. 尾流测量不能用来测量失连状态下的冀型或襟翼偏转后的翼型阻力。
- Most dresses flapping down the runway featured straight cuts with cold and simple colors. 时装周上展示的多数服装采用直线剪裁，以冷色调和简单颜色为主。
- This guy has a little bit of problem. He's screwing, not real steady. He's having a hard time maintaining serious air speed. He's got flaps down a little bit. 这家伙遇到些麻烦了。他在摇晃,并不很稳。他很难控制住重要的空速。他放下一点襟翼。
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。
- The machine must break down at this busy hour. 正忙的时候，机器偏偏又坏了。
- The old man stared the uninvited guest up and down. 老人把不速之客上下打量了一番。
- I flap the flies away but soon they fly back. 我把苍蝇赶走，但一会儿又飞回来了。
- He let himself down slowly by means of a tope. 他借助一根绳子慢慢地下来了。
- The deer was peppered with shot all down one side. 那只死鹿的半边身子都被子弹击中。
- A flap from the tail of the whale upset the boat. 鲸尾轻轻一拍便把小船打翻了。
- The maid did down the walls with a duster. 女佣用掸帚由上而下地刷除四壁上的尘垢。
- I got into a real flap when I lost my keys. 我丢了钥匙，心里发慌。
- The (flap of the) envelope was unstuck. 信封(的封口)没粘住。
- Bind down the ropes around the load on the lorry. 把绕在卡车上货物外面的绳子扎紧。
- He was not a man to sit down with affront. 他并不是一个可以忍受当众侮辱的人。
- One of the fishing boats sank down astern of us. 有一艘渔船在我们后面沉没了。
- He slicks his hair down with oil every day. 他每天搽油把头梳得光溜溜的。
- The chair sagged down under the fat man's weight. 椅子经这胖人一坐便压弯了。
- Our torpedo boats bore down on the enemy cruiser. 我方面鱼雷艇向敌巡洋舰冲去。
- Let's clean down the board before we paint it. 让我们在上漆以前把这块板洗干净。
