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.
双语例句
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。
来自柯林斯例句
3. The mine reportedly had an accident rate triple the national average.
