每日单词：altruistic

altruistic /ˌæltruˈɪstɪk/

IELTS丨TOEFL丨专八

 外刊例句 

To see if superheroes could inspire people to be more altruistic or act pro-socially , the researchers asked participants to enter a room with either a superman poster or a poster of a bicycle on the wall. The volunteers were then asked to describe items in the room and then fill out a questionnaire.

为了了解超级英雄是否能激励人们变得更无私或表现得更亲近社会，研究人员让实验参与者进入一个房间，房间的墙上贴有超人海报或自行车海报。随后，研究人员让志愿者描述房间里的物品并填写调查问卷。

——《科学美国人》

外刊音频 来自我爱背单词 00:00 00:18

 基本释义 

If your behaviour or motives are altruistic, you show concern for the happiness and welfare of other people rather than for yourself.

adj. 利他的；无私心的

 追根溯源 

单词altruistic里的altru部分，来源于拉丁语alter, 表示“其他，别人”。所以，包含词根alter/altru的单词，多与此相关，例如：

altruist n. 爱他主义者；利他主义者

altruism n.利他；利他主义

alter  vt. 改变，更改

altercation  n.（与别人）争执

alternative adj. 供选择的；交替的

 同近义词 

selfless: If you say that someone is selfless, you approve of them because they care about other people more than themselves.（无私的）

disinterested: Someone who is disinterested is not involved in a particular situation or not likely to benefit from it and is therefore able to act in a fair and unselfish way.（无私心的）