| 单词 | biennial |
| 释义 | biennial (once / 6160 pages) 1adj 2nadj If you’re just as fanatical about the luge as you are about beach volleyball, you probably know that the Olympic Games are on a biennial schedule. Every two years, either the Summer or the Winter Olympics takes place. Don't mistake biennial for biannual, which means “twice a year.” Annoying? Yes, but other words containing the prefix bi- are even more troublesome. For example, bimonthly can mean either “twice a month” or “every two months.” To avoid confusion, you can use the prefix semi- to mean “twice during a certain time period.” So, it’s correct to say that the Olympics occurs on a biennial schedule, not on a semiannual (or biannual) one. WORD FAMILYbiennial: biennially, biennials USAGE EXAMPLESThe new home of the biennial Manchester International Festival was due for completion by summer 2019 but is now scheduled to open in early 2020. BBC(Dec 23, 2016) “After São Paulo, the Havana Biennial is one of the most important exhibitions in the Western Hemisphere,” he says. Los Angeles Times(Dec 02, 2016) Present exclusively new or commissioned events, he said, and make it biennial, so that you can spend twice as much money on each festival. The New Yorker(Nov 27, 2016) 1 adj occurring every second year 2they met at biennial conventions Syn biyearly periodic, periodical happening or recurring at regular intervals 1n (botany) a plant having a life cycle that normally takes two seasons from germination to death to complete; flowering biennials usually bloom and fruit in the second season Hyper flora, plant, plant life (botany) a living organism lacking the power of locomotion 2adj having a life cycle lasting two seasons a biennial life cycle parsnips and carrots are biennial plants often grown as annuals Syn|Ant two-year annual, one-year completing its life cycle within a year perenniallasting three seasons or more |
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