划像也叫扫换,它也是两个画面之间的渐变过渡·在过渡过程中,电视屏幕被某种形状的分界线分隔,分界线一侧是A画面,另一侧是B画面,随着分界线的移动,一个画面逐渐取代另一个画面,因此,划像又称为分画面特技·图6-7给出了几种分画面特技的划变图案,如图中(a)和(b),随着分界线的移动,A画面逐渐划出,B逐渐划入,最后B图像占据整个画面·改变分界成移动的方向,速度,几何图形等,可产生几百种划像形式·
在外面,我看见他把包包袋袋从窗口递出来,像陆军元帅那样对行李工指手划脚。
Outside I watched him passing bags and bundles out the window, directing the movement of the porters like a field marshal.
一曲终了,她们像企鹅一样交头接耳,然后一致点头,当胸划十字。
At the end of the song, they whispered together in a conspiracy of penguins, then nodded in unison as they crossed themselves.
在历经25次尝试后她认为用划雪橇的方式跳崖确实有点冒险,精彩的YouTube视频展示了有些人从山顶滑着雪撬而下,到了悬崖边来个漂亮的侧滚翻像跳舞样直奔深渊而去。
Now, after 25 efforts, she thinks ski-basing is a bit too risky. Gripping videos on YouTube show others sledging off mountain tops, cartwheeling over the edge and dancing their way into the abyss.
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