Ostium
n. 口, 門, 孔\\n[醫(yī)] 口, 門口
??? 情景例句
Learning to express oneself well in an important part of education.
學(xué)會(huì)把意思表達(dá)清楚是受教育的一個(gè)重要方面。
Marry in lent, and you'll live to repent.
借債結(jié)婚，后悔一生。
Hello! Dad?
喂！爸爸？