triennial

英 [traɪ'enɪəl]美 [traɪ'ɛnɪəl]

adj. 每三年的；连续三年的

n. 三年生植物

中文词源

triennial 每三年一次的

tri-, 三，-enn,年，词源同 annual,biennial.

英文词源

triennial (adj.)

1630s, "lasting three years;" 1640s, "occurring every three years," with -al (1) + Latin triennium "three-year period," from tri- "three" (see tri-) + annus "year" (see annual). For vowel change, see biennial. As a noun, 1630s. Related: Triennially.

双语例句

1. The triennial Council on Legislation affects all club and district activities.

立法案可能是由扶轮社及地区提交下一届的立法会议.

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2. We signed a triennial contract yesterday.

昨日签了一项三年的合约.

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3. Ming Wanli three decades ( 1607 ), held in Beijing, the national triennial imperial examinations.

明万历三十年 ( 1607年 ), 北京举行三年一度的全国科举会考.

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