Vocabulary
日数
にっすう
number of days
noun
freq #10
Example sentences
喫煙者(きつえんしゃ)の病欠(びょうけつ)日数(にっすう)は非喫煙者(ひきつえんしゃ)の2倍(ばい)です。
Smokers take twice as many days off sick as non-smokers.