In this task, given a sentence in the Chinese language, your task is to convert it into the English language.

“大范围断电的原因是，异常沉重的含水积雪在仍然留有大部分树叶的树枝上聚集”。
"The reason for the widespread power outages has been the combination of very heavy water laden snow accumulating on the trees that still have most of their leaves."

第一天早些时候，挪威外交部长乔纳斯·盖尔·斯托勒和巴勒斯坦总理萨拉姆·法耶德都对巴勒斯坦局势表示乐观和希望。
Early on the first day, Norwegian Foreign Minister Jonas Gahr Støre and Palestinian Prime minister Salam Fayyad both expressed optimism and hope for the Palestinian situation.

美国参议院于星期三一致确认了对迈克尔·格里芬博士出任国家航空与航天局（NASA）局长的提名。他将成为这个以美国为基地的空间机构的第11任掌门人。

The U.S. Senate unanimously confirmed on Wednsday the nomination of Dr. Michael Griffin to head the National Aeronautics and Space Administration (NASA), making him the 11th administrator of the US-based space agency.