n.直升飛機(jī)

Maples make those little whirlybird seeds you see spiraling down in droves each spring. 每到春天你都能看見大量的楓樹種子像一架架小小的直升機(jī)盤旋而下。

Maples make those little whirlybird seeds you see spiraling down in droves each spring.Their papery little wings keep them aloft so they can find a good place to germinate and make a new maple. 正如你所看到的，每個(gè)春天楓樹的翅果都會(huì)大批地盤旋而下，它們紙一樣的薄翅能夠使自己停留在高處，這樣它們就能找到一個(gè)適合生根發(fā)芽的好地方了。

The whirlybird was hit by a missile and dropped to the groud 這架直升機(jī)被導(dǎo)彈擊中，墜落到了地面。