Parents are entitled to 13 weeks' parental leave to be taken during the first five years of a child's life.

孩子出生后的头5年父母有权享受13周的产假。

《柯林斯英汉双解大词典》

The human brain continues to grow rapidly for the first five years after birth.

人类大脑在出生后的头5年里迅速不断地增长。

youdao

According to the SBA, over 50% of small businesses fail in the first five years.

根据SBA资料显示，50%的小企业都是在头五年里倒闭的。

youdao

And the third is that we are formed more than we think in the first five years, but not necessarily the way Freud thought.

VOA: special.2010.04.13

The competition was first held in two thousand two and has taken place every two years since two thousand five.

VOA: special.2009.10.27

In one area was a blank canvas that had been waiting twenty-five years for the first line of paint.

VOA: special.2009.08.01

Gagosian also pledged to pay his production costs for the first five years after joining up.

WSJ: Mike Kelley: The Escape Artist

Many do before they get tenure, and many more leave within the first five years of teaching.

FORBES: The False Choices of Education Reform

For every five year increment after the first five years, the perspective investor could purchase an additional 3.0%.

FORBES: Money Wasn't the Only Thing that Madoff Stole from Fred Wilpon