Hebdo
abbr. hebdomadal 七天（的）; 一周（的）; hebdomadaries 七日; hebdomadary 七天的
🗣️ 情景例句
Biology and mathematics.
生物学和数学。
His failure was a lesson to us.
他的失败是我们的一个教训。
Thank you, everyone. Please come in, said Ann.
“感谢你们大家。请进来”安说。