Thrombocytin
血小板素, 血清素, 5-羟色胺
🗣️ 情景例句
with the school-board committee.
与联合校董会有关。
The little boy grew red at the sight of the cute girl.
那个男孩子见到可爱的女孩而满脸通红。
When one seriously studies the social orders that have had the opportunity to develop autonomously,
当一个人认真地研究自发形成的社会秩序时，