- perennial lake
- 常年: throughout the year; perenni ...
- 期: designated time
- 常年: 1.(终年) throughout the year; perennial 常年坚持体育锻炼 persist in physical training all the year round; 夏威夷常年百花盛开。 in hawaii there are flowers all the year round.2.(长期) year in year out 她常年躺在那儿不能活动, 没有痊愈的希望。 there she lay year in year out, unable to move, and with no hope of recovery.3.(平常的年份) average year 这儿小麦常年亩产500斤。 in this area the per mu yield of wheat for an average year is 500 jin
- 年期: term/tenure
- 常年的: perennial; yearlong
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