v.  促进，培养，助长 ≈ encourage/promote 

v. 〔在一段时间内〕抚育，代养〔别人的孩子〕

• foster mother/father/parents  养母/养父/养父母

• foster child/son/daughter  养子[女]/养子/养女

• foster home  寄养家庭

• In 1969, the Radio Amateur Satellite Corporation (AMSAT) was created in order to foster ham radio enthusiasts' (业余无线电爱好者) participation in space research and communication. 促进某人参与

• If I’m right, we should foster a creative spirit because a dose of illogical creativity will complement the rationality of the machine. 培养创新精神

• The couple wanted to adopt a black child they had been fostering. 那对夫妇想收养他们代养的一个黑人小孩。

BrE /əˌbriːviˈeɪʃn/