World Environment Day

• 世界环境日

World Environment Day的用法和样例：

例句

1. So the UN celebrates World Environment Day.
   所以联合国才确立了世界环境日。
2. Global warming is melting glaciers fast enough to justify making them the theme of this year's World Environment Day.
   全球气候变暖导致冰川迅速消融，甚至快速到使它成为今年世界环境日的主题。