broaden基本解释
vi,扩大，变阔；变宽，加宽,同近
broaden相关例句和用法Mark’s smile broadened..马克笑得更加灿烂了。
broaden英英释义放宽，变阔英释vvto make something wider, or to become wider
broaden 真题例题真题例句...She has found that positive emotions broaden a person's perspective and help protect people against adversity
