學個詞 Learn A Word:1893??head off

今天我們要學的詞是 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. 美國食品和藥物管理局宣布了一項新提案，努力防止重要藥物出現(xiàn)短缺。Russia's Parliament passed a bill imposing 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. 俄羅斯議會通過法案，對在國外參加暴力沖突的俄羅斯人判處高達六年的刑期，希望借此防止索契冬季奧運會前出現(xiàn)安全隱患。好的，今天我們學習的詞是 head off, head off, head off.