- A submerged border of a continent that slopes gradually and extends to a point of steeper descent to the ocean bottom.大陆架：大陆板块的水下连接部分，逐渐倾斜并一直延伸到通向大洋底部的更为陡峭的斜坡处
- antidiarrheal
- antidiuretic hormone
- antidote
- antidoted
- antidotes
- antidoting
- antidumping
- antielectron
- antienzyme
- antiestablishment
- Antietam
- antifebrile
- antifederalist
- antifeminist
- antifertility
- antifluoridationist
- antifluoridationists
- antifouling
- antifouling paint
- antifreeze
- antifreezes
- antifungal
- antigalaxy
- antigen
- antigens