Catecholamines
(catecholamine 的复数) n. 儿茶酚胺, 邻苯二酚胺\\n[化] 儿茶酚胺
🗣️ 情景例句
Good night, Alexandra.
晚安，Alexandra。
Teach your grandmother to suck eggs.
班门弄斧。
When I boarded the train, I could not help noticing that a great many local people got on as well.
上车后，我不禁注意到许多当地人也上了车。