Astronomers are excited that the clusters of baby stars match up with the extended arms, because this helps them better understand how stars can be created out in the "backwoods" of a galaxy.

天文学家为婴儿恒星团在旋臂中产生而兴奋，因为这能帮助他们更好的了解恒星是如何在星系边远处产生的。

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Wendy fell on her knees, but her arms were extended toward Peter.

温迪跪了下来，但她的胳膊伸向彼得。

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The curved davit arms extended over the open portion of deck.

弯曲的吊艇架臂在甲板的空地上方展开。

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Technical changes this year include removal of the extended arms of the lampposts along the route, pruning of trees along Central Park and having a meteorologist on hand.

CNN: balloon

She extended her arms and held the flowers out in front of her, presenting them.

NEWYORKER: Another Manhattan

Then the procession started and thousands of arms extended towards the sky.

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