学个词 Learn a Word-VOA英语教学 2073 warn against

今天我们要学的词是 warn against. To warn against 意思是建议不要做某事。With the summer heat in high gear¹, police are warning against leaving kids and pets in unattended vehicles. 随着酷暑天气的到来，警察警告大家不要把孩子和宠物独自留在车里面。Consumer Report warned against using spray-on sunscreen on children, saying it could put them at risk for asthma² attacks. “消费者报告”建议不要给孩子用喷雾防晒霜，以免引发孩子的哮喘突发。好的，今天我们学习的词是 warn against, warn against, warn against...

1 gear   

n.齿轮，传动装置，设备，衣服；vt.使适应

参考例句：

• We have to gear our lives to the new changes.我们必须使自己的生活适应新的变化。
• The teeth of the wheel gear into each other.齿轮互相啮合。

2 asthma   

n.气喘病，哮喘病

参考例句：

• I think he's having an asthma attack.我想他现在是哮喘病发作了。
• Its presence in allergic asthma is well known.它在过敏性气喘中的存在是大家很熟悉的。