另外一些高一氧化碳含量区位于哈德孙湾东南方向，可能是由于西北地区的烟尘传播到该地区，但也有可能是当地火灾所造成的。
Additional pockets of high carbon monoxide concentrations southeast of Hudson Bay may have been transported to the area from the Northwest Territories, but they may also be from local fires.
格菲德报导：就在五年前，孙先生还是一个因循守旧的跟随着民工潮从农村涌向城市的大军中的一员。
GIFFORD: Just five years ago, Sun was one of the army of migrants following the well-beaten path from countryside to city.
为了了解这种行为为什么会发生在鹈鹕当中，安德孙和他的研究生，包括论文的第一作者马提娜穆勒，搜集了三个繁殖季节的资料。
To understand more about how this behavior arises in the boobies Anderson and his graduate students including first author Martina Muller collected data over three breeding seasons.
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