The bumps on a whale's flipper help form vortices that generate more lift, more smoothly.

鱼鳍上突起的部分有助于形成涡旋,也就更增大上升力 、 减小阻力.

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It's almost like a flipper action as she kicks down.

她向下踢腿时有鱼鳍的效果.

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But look at how I get the flipper effects with my feet and my ankle flexibility.

但是我如何用脚和灵活的踝关节制造出脚蹼效果的.

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Now, a different breed of flipper is proliferating: one who seeks bargains at foreclosure auctions.

目前, 一种不同的炒房手段正迅速兴起: 在止赎拍卖中低价接手.

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The left flipper get too tight, causing the feed is not the best.

左右两侧挡板靠的太紧, 导致送纸不顺利.

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The seal's flipper is homologous with the human arm.

海豹的鳍肢与人类的手臂同源。

《牛津高阶英汉双解词典》