forties

n.

四十( forty的名词复数 )；（尤指白天）打盹，午睡；

forty thousand四万

1. They managed to squash forty people into the bus.
   那辆公共汽车好不容易塞进了四十个人。

1. He reigned over the country for forty years.
   他统治了这个国家四十年。

First-time motherhood : experiences from teens to forties
Efficacy of screening mammography for women in their forties
Fertility and sexual life of men after their forties and in older age
Breast cancer screening among women in their forties: an overview of the issues
Drinking trajectories from adolescence to the mid-forties among alcohol dependent males.
Risk-based recommendations for mammographic screening for women in their forties
Benefits and risks of screening mammography for women in their forties: a statistical appraisal.
White matter hyperintensities in the forties: Their prevalence and topography in an epidemiological sample aged 44–48
REPLY: re: benefits and risks of screening mammography for women in their forties: a statistical appraisal
Influences of Provenance and Diagenesis on Detrital Garnet Suites in the Paleocene Forties Sandstone, Central North Sea