Alan Barrett of the University of Texas says travel by carriers of influenza, be they people in aeroplanes or birds on the wing, means regional mutations quickly spread around the world.

德克萨斯大学的阿兰·巴瑞特说，流感通过载体的传播就像是人们坐飞机或是鸟儿飞翔一样，意味着区域变异会很快传播到世界各地。

youdao

All farmed chickens, turkeys, and pigs spend their brief lives in dark and crowded warehouses, many of them so cramped that they can't even turn around or spread a single wing.

大部分农场里的鸡，火鸡，和猪，短暂的一生都生活在黑暗狭小的空间里，它们生活得如此拥挤，甚至不可能转身，或伸展开单只的翅膀。

youdao

So it is very important to study the parameters of the pass and techniques for the spread of the wing plate steel.

为此，定量研究孔型和工艺参数对翼板钢宽展的影响十分重要。

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Notice the truncated upper wing of the spread.

FORBES: Bulls Board AMR, Bears Raid Metals & Miners

As I wrote at the time, conservatives happily spread the results of the study across the right-wing blogosphere.

FORBES: Confirmation Bias in Everything

Scarlets scrum-half Martin Roberts was robbed as he went to pass from the base of a ruck and Perpignan spread the ball left towards Candelon, the wing kicking ahead and following up to gather and score.

BBC: Scarlets 43-34 Perpignan