对首都的炸弹袭击可能标志着选举前的恐怖活动的开始。
The bomb attack on the capital could signal the start of a pre-election terror campaign.
57英尺长，9吨重，棘龙在大约1亿年前的白垩纪早期就开始四处活动。
Fifty-seven feet long and up to nine tons, spinosaurus started poking his head around the early Cretaceous some 100 million years ago.
学年正式开始前，大多数大学都会举办欢迎活动，包括迎新会、校园野餐会、和音乐会等娱乐活动。
Most universities host welcome events before the academic year officially begins, including freshmen orientations, campus picnics, and entertainments like concerts.
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