催生素

oxytocin

to urge / to press / to prompt / to rush sb / to hasten sth / to expedite

to pressure a younger relative to hurry up and have a baby / (obstetrics) to induce labor / to expedite childbirth / (fig.) to be a driving force in bringing sth into existence

to be born / to give birth / life / to grow / raw / uncooked / student

raw silk / white / plain, unadorned / vegetarian (food) / essence / nature / element / constituent / usually / always / ever