reproductive life span的用法和樣例：
例句
- Levels of reproductive hormones were also unaffected.
生殖激素的水平也不會(huì )受到影響。 - Another study found that exposing a pregnant rat to a chemical that alters reproductive hormones leads to generations of sick offspring.
另一項研究發(fā)現懷孕的大鼠暴露于一種化學(xué)物質(zhì)時(shí)，它們的生殖激素會(huì )發(fā)生改變，繼而生出患病的個(gè)體。
