Dentes fixi
[醫] 恒牙
?? 詞語組成解析
齒狀部份
??? 情景例句
When you start discussing politics, I'm completely out of my depth.
你們一談論政治，我就一竅不通了。
All cats love fish but fear to wet their paws.
貓都愛吃魚，卻怕爪弄濕。
gravity is the force that drives them in a continual attempt to restore the ocean surface to a flat plain.
地球引力是持續不斷企圖使海面復原為平面的力量。