英语翻译
（1）ASEAN has decided to invite Burma to join its rank,shrugging off western denunciations of the military regime in Rangoon.主要是后半句不理解
（2） On Friday,a US nuclear submarine tore through a Japanese fishing vessel,sinking it within minutes.The USS Greenville was performing an emergency surfacing drill when the collision occurred about ten miles south of Pearl Harbor.主要是不理解什么是emergency surfacing drill.还有不应该是撞上渔船吗?怎么是tore through?撕裂?
（3）a high-profile for a war
（4）abstain 和 didn't vote 之间有什么区别?烦请大神不吝赐教!