birthrate

n. 出生率

发音

US

词形变化

birthrates 复数 birthrates

别名

birth rate

释义与例句

n.
  1. 1.

    The ratio of total live births to total population for a specific community or nation in a specified period; often expressed in births per thousand per year.

    出生率

词汇关系

名词

同义词 3

fertility fertility rate natality

上位词 1

rate

词源

From birth + rate.

来源：wiktionary