their facial disks are too heavy therefore the bay owls have to sleep in a posture that differs from other birds. Even when they sleep similar to the position of other birds, they cannot tuck up their head into the feathers as other birds do. They have to sleep by just closing their ...
a她讲英语很慢,以便于我们可以听懂 She speaks English to be very slow, is advantageous for we to be possible to understand[translate] afala ai portugues 我了解nds[translate] aHow and why do horses sleep standing up? 和为什么马怎么睡觉站起来?[translate]...
Albatrosses and frigate birds have another trick. They snatch tiny half-minute naps as they glide on air currents over the ocean. Flap, nap, flap, nap. They don't get much sleep this way — when they land, they sleep a lot to m...
How do animals sleep?动物怎样睡觉?阅读理解D体裁:说明文难度:★★★建议用时:6mins实际用时:minsDolphins are air-breathing animals that swim in the sea. But how do they sleep? Ifthey stopswimming to take a nap, won't they sink or drown? Giraffes have almost no deep sleep. Do theyfeel...
The brainwaves of birds can function for 1.850 miles without stopping during migration time. In other words, birds can fly and sleep at the same time, moving automatically. REM sleep when migrating is terrible for the flock. However, the good side is that birds wake up during flight in case...
But it's not just the lungs you have to worry about during extended periods of reverse suspension. Our bodies are well set up to move blood around when we're standing upright, and our blood vessels are customized to make sure blood doesn't pool up in our feet. But that system is a ...
Go with Tatiana｜我在中国如何过春节？How foreigners celebrate Chinese New Year in China 春节是中国最重要的传统节日，也是最具象征意义的时刻之一。对我来说，能在这里体验这个节日，是一次独特而珍贵的机会。 Chinese New Year is the most important traditional holiday in China, and it’s filled with...
1. see sb. do sth “看见某人做了某事” 强调动作的全过程; see sb. doing sth. “看见某人正在做某事” 强调动作正在进行。 如:I saw her go across the street. 我看见她过了马路。 I saw her going across the street. ...
Birds make nests, too. But their nests are not for sleeping. At night, birds find another place to rest. They sit on a tree branch. Their feet lock on the branch. This way, the bird does not fall off. Half-Asleep Dolphins are always swimming in the sea. So how do they sleep? If...
However, deer try their best to sleep for three to four hours. Even when sleeping, they have to be careful so that they do not become food for their enemies. The Alpine Swift (雨燕) is a bird that lives in places from southern Europe all the way to the Himalayas. These birds spend...