1、com- "together" + mun- + -ic + -able. 这里主要指：share about information.
2、字面含义：people together to use or share services or duties. => make services or duties publicly. => literally "that which is common". => make common, share.
3、解读：大家一起使用、享用各种服务、职能。也就是使各种服务、职能公共化。所以，由此，引申为：公社、社区；包括分享、共享想法、心得等；=> 谈心、亲密交谈。
4、people together to use or share services or duties. => make services or duties publicly. => 大家一起使用、享用各种服务、职能。也就是使各种服务、职能公共化。
5、说通俗点儿就像是：同呼吸共命运，风雨同舟，有福同享有难同当。
6、=> commun-: make common, share. 包括：share about information.

communicable 可传染的

来自communicate, 交流，传播。

1. Some communicable diseases are transmitted only through the agency of insects.

某些传染病只通过昆虫来传播.

2. Some communicable diseases are transmitted only through the agency of vermin or insects.

某些传染病只通过害虫和昆虫来传播.

3. Communicable diseases have been a curse of mankind since time immemorial.

自古以来,某些传染性疾病就是人类的灾祸.

4. Deaths from communicable diseases after natural disasters are less common.

与之相比,灾后传染性疾病引起的死亡较少.

5. Have you ever been afflicted with a communicable disease of public health?

曾否患有慢性病、传染病或其他妨碍正常工作的疾病?