The birthrate is on the decrease.人口出生率正在下降.The birthrate is on the decline.出生率在下降.The birthrate in the city has been decreasing.该市的出生率一直持续下降....

birthrate的复数形式为：birthrates...

birthrates的音标：...

n.出生率...

In the case of population growth this momentum can persist for decades after birthrates drop.人口增长的这种势头在出生率下降后还可以持续四年....

n.出生率( birthrate的名词复数 )...

birthrate的音标：birthrate的英式发音音标为：['bɜ:θˌreɪt]birthrate的美式发音音标为：['bɜθˌreɪt]...