学个词 Learn a Word-VOA英语教学 1893 head off

（单词翻译）

1893 head off

今天我们要学的词是 head off. Head off 有防止，避免的意思。The Food and Drug Administration announced a new proposal to try to head off shortages of crucial medications. 美国食品和药物管理局宣布了一项新提案，努力防止重要药物出现短缺。Russia's Parliament passed a bill imposing¹ prison terms of up to six years on Russians who take part in conflicts abroad, trying to head off potential security threats ahead of the Winter Olympics in Sochi. 俄罗斯议会通过法案，对在国外参加暴力冲突的俄罗斯人判处高达六年的刑期，希望借此防止索契冬季奥运会前出现安全隐患。好的，今天我们学习的词是 head off, head off, head off.