three-cor·nered
adjective/ˌθriː ˈkɔːnəd/
/ˌθriː ˈkɔːrnərd/
[usually before noun]- having three corners
三角形的；有三个角的；三隅的 - a three-cornered hat
三角帽
- a three-cornered hat
- involving three people or groups
涉及三人的；三者的；三方的 - a three-cornered contest
三方竞争
- a three-cornered contest