When eventually the police lost patience and fired the first tear gas grenade, the sound echoed across Syntagma Square and the crowd cheered.
BBC: Athens erupts over austerity cuts
Kenyan police have fired tear gas to end riots that broke out in the capital, Nairobi, after a grenade blast killed at least seven people.
BBC: Kenya grenade attack: Somalis attacked in Nairobi
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。