year-book n.年鑒year-bearer 年承year-around adj.一年到頭的；整年的year's end 財政年度的最后；年終，歲末，年底。year round 全年的year of publication 出版年代year of grace year of drought 旱年year of bumper harvest 嘉歲year of birth 出生年份year in year out 年復(fù)一年地；始終；不斷地year in and year out 年復(fù)一年；一年到頭year ender year end bonus 年終獎金year end 財政年度的最后；年終，歲末，年底。year collision frequency [交通運輸工程]年碰撞頻率year by year 逐年；年年year book 年鑒year after year 年復(fù)一年地；每年year - class dominance [農(nóng)業(yè)科學(xué)]年齡組優(yōu)勢