trebles
n.
最高音部( treble的名词复数 );
能唱最高音部的男孩子;
v.
（使）成三倍( treble的第三人称单数 );
例句:
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Full cover – All the doubles , trebles and accumulators involved in a given number of selections.
大包围–固定选项数目中所有的孖宝 、 三宝和连赢.
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Boy trebles of thirteen or fourteen.
来自K. Amis
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Pre-packaging...trebles a shop assistant's throughput.
来自Listener
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Good young jockeys come and go, but those that vanish don't often ride trebles at Cheltenham: he's destined for big things.
来自BBC