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- In addition to the saucer shape, Black Triangle UFO's have also been sighted. 除了碟型的不明飞行物外，还有人目击过黑色的三角形飞行物。
- To go to a specific point in the movie, drag the playhead (the small black triangle) in the timeline. 要跳到影片中的某一点,请拖移时间线中的播放头(黑色小三角形)。
- To step through frame-by-frame, first click the small black triangle and then press the Right or Left Arrow keys on your keyboard. 要逐帧向前播放,请先点按黑色小三角形,然后按下键盘上的右箭头键和左箭头键。
- He printed the black megaliths of Stonehenge in white snow；a shiny river winding like a white serpent， and a jetty in a lake resembling a giant black triangle. 他印出了白色雪原中Stonehenge的黑色巨石，蜿蜒如白蛇般的闪闪发亮的河流，以及在湖中类似一个巨大的黑色三角形的防波堤。
- One of the challenges in clinical esthetic dentistry is closing anterior diastemas without creating “black triangles” between the teeth. 摘要：关闭前牙间隙而不留牙间“黑三角”，是临床美学牙科学的一个挑战。
- Question: Following periodontal surgery, the location and contour of the gingival papillae may cause the appearance of "black triangles" between the teeth. 专家答疑：牙间隙增大，常称为“黑三角”，是牙周手术后的并发症。“黑三角”引起的不美观问题，以前是用树脂修复来解决。
- He was in black from crew to earing. 他全身上下都穿着黑衣服。
- He whipped up a pistol and shot at the black bear. 他急忙抓起手枪，向那头黑熊射击。
- Many people were taken off by the Black Plague. 许多人被黑死病夺去了生命。
- The man is carrying a small black plastic handbag. 这个人提着一个黑色的小塑料提袋。
- The old trade in black ivory is on more. 昔日非洲黑奴的买卖已不复存。
- The black sedan suddenly drew out into the traffic. 黑色轿车突然开动，驶进了车流。
- I have a snag in my best black tights. 我最好的一条黑裤袜给划破了。
- He fell down the stairs and was all black and blue. 他从楼梯跌下而青一块紫一块了。
- Black and white show a striking contrast. 黑和白形成明显的对比。
- She buy a black nightie to wear on her honeymoon. 她买了一件黑色睡衣准备在蜜月时穿。
- Jim staked all his money on the black horse. 吉姆把所有的钱都押在那匹黑马上了。
- During the war we had to black out all our windows. 战时我们必须用黑布遮着窗口以免透光。
- My brother is the black sheep of the family. 我弟弟是我们家的害群之马。
- The lorry skidded on a stretch of black ice. 货车在薄冰路面上打滑。
