ghrelin

US /rə'lɪn/

UK /rə'lɪn/

A1 初級
n.名詞生長素

影片字幕

為什麼你不應該吃太快 (Why You Shouldn't Eat Too Fast)

04:35為什麼你不應該吃太快 (Why You Shouldn't Eat Too Fast)