词汇	lost their voice
释义	lost their voice v.嗓子哑了说不出话来
随便看	guard against jump device guard against noise guard against overstocking guard against risk guard against russia guard against sabotage by terrorists guard against sectarian tendencies guard against stealing electricity tech-nique guard against sth guard against subversion and aggression Guard against the competitors guard against theft Guard against theft and alarm guard against theft and alarming guard against theft and alarm system guard against theft and device guard against theft annunciator guard against theft system guard against thief guard against use guard against wet guard a gate guardage guardain guardalavaca