Orifice/GRE/Barron
来自我不喜欢考试-知识库
[编辑] orifice
- mouthlike opening; small opening (esp. to a cavern or passage of the body);
- CF. mouth
- 例句: The Howe Caverns were discovered when someone observed that a cold wind was issuing from an orifice in the hillside.
