The Toynbee maneuver helps to equalize the pressure in your ears like the Valsalva maneuver, but it uses the muscles of the throat. Pinch your nose and take a few sips of water to help you swallow. Gulping with your nostrils closed helps open the eustachian tubes to give you relief. This...
Clogged ears from flying occurs most frequently when your flight is descending although they can also occur on take-off.Your ears feel clogged because the Eustachian tube is not working properly and could be inflamed. The Eustachian tube is a narrow 1.5-inch tube that drains fluid from your ...
【题目】Researchers at Lund University have compared howmuch energy bats use when flying and found that theenergy depended on whether bats have large or smallears.Large ears increase air resistance(阻力), meaningthat long-eared bats are forced to use more energy thanspecies with small ears. On...
When your friend needs you, sometimes when things are not going too well on your side, it is often so easy to turn a deaf ear to their pleas(请求). It is especially during these times, that you must find the strength in you to help your friend. And it is during these times that ...
To understand how your ears hear sound, you first need to understand just what sound is. An object produces sound when it vibrates in matter. This could be a solid, such as earth; a liquid, such as water; or a gas, such as air. Most of the time, we hear sounds traveling through...
Later she (3)__gave _ them some pieces of gums (口香糖).“Chew (咀嚼) a piece when the plane starts to fly," she said. “It will relieve your ear pain (缓解耳朵疼痛).""(4) How does that help?" Harper asked."You will find out soon," she said.The big plane flew up into ...
She told Steve not to m___about when the plane was going up, and that Steve's ears might f___a little funny, but he did not need to worry about it because many people felt like that. She also said w___the plane was flying very high, Steve could stand up and walk round. He ...
When you think of all of the places where you wouldn’t want abug, ears are probably high on the list. No matter how old you are, getting a bug in your ear can be a disturbing — and potentially dangerous — experience. If a bug does get stuck in your ear, or your child’s ear...
If a plane crashes into the water, the beacon sends out an ultrasonic pulse that cannot be heard by human ears but is readily detectable by sonar and acoustical locating equipment. There is a submergence sensor on the side of the beacon that looks like a bull's-eye. When water touches th...
Hiccup: You're going to need something to help you hold on. [The teens glance at the three other dragons, all out of their cages] [Meanwhile, back at the dragon's nest. The vikings are preparing for the fight of their lives, as Stoick goes over the battle plan with his generals...