1. For more than half an hour 38 respectable Brooklyn, New York citizens watched a man attack and stab (刺杀) a woman three separate times.
    在半个多小时的时间里，纽约布鲁克林区38名体面的居民旁观了一名男子三次袭击并最终刺死一名女子的过程。

2. Fresh roses are sprayed with water to keep them moist and flown to company stores three times a week.
    新鲜的玫瑰经过洒水保湿后，每周三次空运到公司各个分店。