broaden

放宽，变阔英释vvto make something wider, or to become wider

1 真题例句...She has found that positive emotions broaden a person's perspective and help protect people against adversity...第一套CET62014.12阅读理解

1 Mark’s smile broadened..马克笑得更加灿烂了。

2 The council decided to broaden the pavement..地方议会决定拓宽人行道。