1.
Research on Damascus Informal Settlements Sprawl Effects, Factors and Solutions;
大马士革非正式聚落蔓延影响因素及对策研究
2.
(informal) straight down especially heavily or abruptly.
（非正式）沉重地或突然地落了下去。
3.
an informal party of people with hospitality for all comers.
对所有来客都殷勤款待的非正式聚会。
4.
an informal gathering of friends;a relaxed, informal manner.
朋友们的非正式聚会；一种放松的、随便的方式
5.
(informal) with a short hollow thud.
（非正式）有一个弱的、落进空洞里的重击声。
6.
An informal gathering or session for the exchange of news, opinions, and gossip.
非正式的聚会，杂谈会为交换消息、意见或内幕新闻而进行的非正式聚会或会议
7.
(informal) very angry.
（非正式）非常愤怒。
8.
(informal) very funny.
（非正式）非常好笑。
9.
It's quite an informal gathering;you needn't dress up for it.
这是一次非正式的聚会，你穿日常的服装就行了。
10.
For most informal dinners, you should wear comfortable, casual clothes.
」大多数非正式的聚餐，你应该穿舒适、轻便的衣服。
11.
Discussion of informal coffee gatherings with guests pre/ post class.
讨论学生在课前/和来宾的非正式咖啡聚会。
12.
We're organizing an informal party, and I'd like you to come.
我们计划组织一个非正式聚会，我想请你参加。
13.
& quot; For most informal dinners, you should wear comfortable, casual clothes.
」多数非正式的聚餐，你应该穿舒适、便的衣服。
14.
Study on Impact of Informal Network Structure on Organization Cohesion
非正式组织网络结构对组织凝聚力的影响研究
15.
Is it possible to provide a kind of informal preschool education to these children?
外来务工人员在城市居住多呈聚落状态，能不能以非正规形式为这些儿童提供一定的学前教育呢？
16.
Group workouts too often degenerate into unstructured races at the most inopportune times.
车队的锻炼经常在最不合宜的时候堕落成非正式的比赛。
17.
formal and informal group
正式群体与非正式群体
18.
(informal) an unfortunate situation.
（非正式）尴尬处境。