Menstruation (a period) is a major stageof puberty in girls; it's one of the many physical signs that a girl is turning into a woman.
月经(例假)的来到是女孩青春期中经历的一个重要阶段;它是女孩变为女人的众多生理变化之一。
2
In China, the stageof high school is a turning point in most students' life, during the three years' study, the students are fighting for their future.
在中国,高中阶段是大部分学生的转折点,在三年的学习中,学生为将来奋斗。
3
The risk of the US slow down turning into an outright recession exists, but at this stage we would place only a small probability on such a risk.