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Flipper鳍
原文:Insulation protects the leatherback everywhere but on its head and flippers. 除了头部和鳍,这个“绝缘”结构可以保护它们的所有部位。
强化记忆:The seal's flipper is homologous with the human arm. 海豹的鳍肢与人类的手臂同源。
It's almost like a flipper action as she kicks down. 她向下踢腿时有鱼鳍的效果。
Blade 刀片,刀锋
原文:Because the flippers are comparatively thin and blade-like, they are the one part of the leatherback that is likely to become chilled. 因为棱皮龟的鳍相对较薄且呈叶片状,这一部位很有可能会被冻僵。
强化记忆:Blade and handle are the component parts of a knife. 刀身和刀柄是一把刀的组成部分。
The knife's blade gleamed dully in the dark. 刀刃在黑暗中幽幽地闪着光。
Aerodynamic 空气动力学的
原文:There is not much that the turtle can do about this without compromising the aerodynamic shape of the flipper. 在不损害鳍部气动外形的情况下很少有海龟可以做到这些。
强化记忆:The newspaperman summarized the crux of the aerodynamic phenomenon. 记者总结了空气动力现象之谜。