猎豹是最轻捷的动物。
而且它们美妙的歌喉与轻捷的身姿更为我们的生活增添了无穷的乐趣。
Moreover, their beautiful singing voices and nimble natural abilities add infinite joy to our lives.
但是不久这种“巴克跳板”就让位于那些用更结实、更轻捷的铝合金制造的新型设计。
The ' Buckboard' soon gave way to designs that used even stronger and lighter aluminium alloys.
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