triple

• adj. 三倍的；三方的
• n. 三倍数；三个一组
• vi. 增至三倍
• vt. 使成三倍

tri-, 三，-ple,倍数，词源同 fold,treble.

triple (v.)

late 14c., from Medieval Latin triplare "to triple," from Latin triplus "threefold, triple," from tri- "three" (see tri-) + -plus "-fold" (see -plus). Related: Tripled; tripling.

triple (adj.)

early 15c., from Old French triple or directly from Latin triplus (see triple (adj.)). As a noun, early 15c., "a triple sum or quantity," from the adjective. The baseball sense of "a three-base hit" is attested from 1880. Related: Triply (adv.). Triple-decker is from 1940 of sandwiches and wedding cakes, 1942 of beds.

1. In 1882 Germany, Austria, and Italy formed the Triple Alliance.

1882年，德国、奥地利和意大利组成了三国同盟。

来自柯林斯例句

2. The merger puts the firm in a position to triple its earnings.

合并可使公司利润增长两倍。

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3. The mine reportedly had an accident rate triple the national average.

据报道，该矿事故发生率是全国平均水平的3倍。

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4. The kitchen is triple the size it once was.

厨房面积扩为原先的3倍。

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5. We're suffering a triple whammy at the moment.

我们目前正遭受到了接二连三的打击。

来自柯林斯例句