BBC News with Jonathan Izard The US Secretary of State John Kerry has warned US senators before their debate on Syria next week that they must not fail to respond to what he called an undeniable chemical attack by President Assad on his own people. _____________________________________ But Mr. Kerry said he wanted to make it clear that President Obama\'s objectives were limited. 乔纳森`伊扎德为您播报BBC新闻 下周美国参议员们将就叙利亚事务进行讨论,国务卿约翰`克里此前警告说,美国必须对阿萨德总统使用化学武器袭击自己的人民这一无可否认的事实作出回应,____________________________________但克里先生澄清,奥巴马总统的宗旨是有限地使用武力.
