年增长速度 niánzēngzhǎngsùdù annual growth rate Definitions Defs Origin Strokes Stroke Words Sentences Sents 年 nián noun year a year or the duration of a year; also used to describe annual or yearly occurrences增长 增長 zēngzhǎng verbnoun to increase to grow in size, number, amount, or degree速度 sùdù noun speed speed; velocity; rate of motion or progress