常見(jiàn)例句雙語(yǔ)例句There are public advertisements which encourage citizens to participate in improving their neighbour-hood, protecting the environment, and helping other people.還有一些公益廣告，它們鼓勵(lì)人們蓡與改善社區(qū)、保護(hù)環(huán)境和幫助他人的活動(dòng)。 返回 protecting hood