您要查找的是不是：
- 正式official
- 正式的official
- 正式地in state
- 6点钟准时举行鸡尾酒会，随之在8点钟举行正式的晚宴。Cocktails will be served promptly at six to be followed by dinner at eight.
- 他们出了一本有关环境恶化的小册子。They issued a pamphlet concerning the worsening environment.
- 人类和环境竞争。The human being struggles with his environment.
- 正式通知serve notice
- 他很快适应了新的环境。He made a quick adaptation to the new environment.
- 正式进入make one's bow
- 适宜野营的理想环境an ideal setting for camping
- 正式批准approval
- 生活在奢侈的环境中live in luxurious surroundings
- 正式场合formal occasion
- 恶化的环境aggravating circumstances
- 不正式的informal
- 孩子们在学校有一个快乐的环境。The children have a happy environment at school.
- 我在陌生环境总觉不自在。I always feel ill at ease in a strange environment.
- 这封信以正式文体写成。The letter is written in a formal style.
- 关于环境保护问题的讨论会a seminar on environmental protection
- 这家店下周正式开张。The official opening of the store will take place next week.
