convention

US /kənˈven.ʃən/
UK /kənˈven.ʃən/
"convention" picture
1.

大会, 会议

a large meeting or conference, especially of members of a political party or a particular profession

:
The annual sales convention will be held in Las Vegas.
年度销售大会将在拉斯维加斯举行。
Delegates from all states attended the political convention.
来自各州的代表出席了政治大会
2.

习俗, 惯例, 常规

a way in which something is usually done, especially within a particular area or activity; a custom

:
It's a long-standing convention to exchange gifts on holidays.
在节日期间交换礼物是一个由来已久的习俗
Breaking with convention, the artist used unconventional materials.
打破常规,这位艺术家使用了非传统的材料。
3.

公约, 协定

an agreement between countries covering particular matters, especially one less formal than a treaty

:
The Geneva Convention sets out the standards of international law for humanitarian treatment.
日内瓦公约规定了人道待遇的国际法标准。
Several countries signed the new environmental convention.
几个国家签署了新的环境公约