查询词典 hummingbird

Wings beating about 53 times per second, a ruby-throated hummingbird hovers above flowers drinking nectar.

意译：蜂鸟的翅膀每秒振动53次，这就是蜂鸟之所以能够在花朵上吸入花蜜的原因。

Wings beating about 53 times per second, a ruby-throated hummingbird hovers above flowers drinking nectar.

意译：一只红宝石－－喉咙的&蜂雀&盘旋在花朵上吸入花蜜，它的翅膀不断的振动大约是每分钟能振动53次。

In just over 25 years he and visiting volunteers have banded more than 52,000 birds, nearly 3,900 of which are the thumb-size ruby-throated hummingbird, at the Hilton Pond Center for Piedmont Natural History.

大约4.5亿年前，环线螺腹足蜗牛向其他蜗牛发起了进攻，它们将酸液分泌到它们的受害者外壳上，然后酸液在上面打出了洞孔。

The ruby-throated hummingbird beats its wings at the incredibly rapid speed of50 to70 times a second.

红颈蜂雀飞行时振翅频率极高，达到一秒种五十到七十次。

The wings of a bee and those of a hummingbird are analogous.

蜜蜂的翅膀和蜂雀的类似。

I was a freckle-faced five-year-old on my grandmother's back porch in Lawrence, Kansas, when I first encountered a hummingbird.

我首次碰见蜂鸟是在家在堪萨斯州劳伦斯镇的祖母的后走廊里，那时的我是一个脸上生有雀斑的五岁小孩。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。