求翻译：9月21日，巴基斯坦首都伊斯兰堡、最大城市卡拉奇、北部城市白沙瓦以及东部城市拉哈尔均爆发了今年以来最大规模的反美游行示威，抗议一部涉嫌诋毁伊斯兰教与先知默罕默德的美国电影《穆斯林的无知》上映，以及美国频繁出动无人机在巴西北部北瓦济里斯坦部落地区发动空袭，造成多人伤亡。卡拉奇和白沙瓦情况最为严重，至少有20人丧生，数十人受伤。是什么意思？

September 21, the Pakistani capital of Islamabad, the biggest city of Karachi, in the northern city of Peshawar and the eastern city of Lahore, the outbreak of the largest anti-American demonstrations since the beginning of this year, to protest an allegedly defame Islam and Prophet Mohammed America

On 21 September, Islamabad, the capital of Pakistan, the largest city of Karachi, Peshawar, city in northern and eastern city Lahore outbreak since the beginning of this year are the largest of the anti-American demonstrations in protest against alleged defamation of Islam and Prophet Muhammad by th

Since on September 21, Pakistan capital Islamabad, biggest city Karachi, the northern city Peshawar as well as eastern part the city has pulled Hall to erupt this year the biggest scale anti-America demonstration, protested is a suspect slandered Islamism and the prophet silent silent Germany's Amer

On September 21, the capital of Pakistan, Islamabad, Karachi, the largest city, the northern city of Peshawar and the eastern city of Lahore were broken out this year since a massive anti-US demonstrations protesting an alleged defamation of Islam and the Prophet Mohammed, United States film release

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