But why is the feeling of being on an emotional roller coaster so common among teens?
但为什么青少年普遍感觉他们的情绪就像是坐过山车一样，时好时坏呢？
I was feeling under the weather. B: Oh, did you have that cold that everyone's had? A: I think so. Under the weather is an extremely common expression, meaning a little ill or sick.
b：哦，你是不是感冒了A：我也这样认为我感觉不舒服是一个极其普遍的词组，意思是生了点小病。
The most common symptom is feeling tired because the body is not receiving enough oxygen.
最常见的症状是缺氧而造成的疲乏。
Christmas buzz is a feeling common during the month of December.
Christmas buzz(圣诞冲动)是12月份很常见的一种情绪。
This is feeling a bit sluggish, which is a common side effect; the sedative's effects may be.
这是感觉有点迟缓，这是一种常见的副作用；镇静的影响可能是。
Iron deficiency anaemia is one of the most common medical reasons for feeling constantly run down.
缺铁性贫血是最常见的感到持续无力的医学原因之一。
In the late autumn season, with the characteristics of the season, here's a more intense feeling, as if he is a character from the modern through the past, or in the common Western fairy tale scene.
在深秋季节，配合季节的特色，这里的年代感更加强烈，仿佛自己是从现代穿越过去的人物，又或者是西方童话故事中常见的场景。
This special property is no longer the common aesthetic feeling of natural world but the feelings of appreciation of the beauty in the work of writers and the eye of readers.
这种特性，在作家的笔下，欣赏者眼里已不再是自然意义上的美感，而上升为人类普遍意义上的审美情感。
Interface and icon---, even a simple button, or a common medicine, is elaborated and give player more splendid feeling with the basis of simple and intelligible.
即使一个简单的按钮、一个普通的药品都是精心绘制，在符合简洁明了的前提下，给玩家更绚目的感受。
However, it do is IMAX, the feeling of flying with Jack and heroine is much cool than common 3d version.
怎么说也是IMAX，和杰克、涅提妮一起在天空中飞翔的感觉比看普通3d的要爽很多。
The feeling among villains is based on the common interests that depend on each other.
小人之间的感情是建立在共同依赖的利益之上。
Enjoying life, which represents a feeling of carpe diem and pursuing happiness, is one of the common themes in Ci in Tang and Song Dynasties and current popular lyrics.
享乐人生是唐宋词与当代流行歌词所共有的主题之一，它体现着及时行乐和追求快乐的情绪。
They met is love at first sight, they have the same hobbies, a common topic, they have feeling for each other very much.
他们相识有点一见钟情，他们有相同的爱好，共同的话题，他们对彼此都很有感觉。
Like to be beautiful of the person is a common feeling, make track for and doesn't pursue to get that skill that have to see him.
喜欢漂亮之人是人之常情，追不追求得到那得看他的本领。
But at this time, listen to him common tone such for the dream, lightly narrate that the generally deep feeling is such as the sea and bathe small unexpectedly and suddenly feel have no the Cuo wake.
可是此时，听着他如梦一般的语气，淡淡地诉说着那如海一般深的情，沐小小竟突然觉得无措起来。
Isolating yourself from social contact is a pretty common response to feeling unhappy, but there's a large body of research that says it's the worst thing you can do.
从社交中把自己孤立是感到不幸福的常见反应，但有许多研究表明这是你最不应该做的事。
It is common experience that a certain amount of regular exercise improves the health and contributes to a feeling of well-being whether or nor exercise adds to the length of life.
不管运动是否能延年益寿，但一定量的运动可以增进健康并使人精神愉快，这一点是人们共有的体验。
Coffee is the common man's gold, and like gold, it brings to every person the feeling or luxury and nobility.
咖啡如同平民的金子；它就像黄金一样，带给每个人奢侈尊贵之感。
But the impetus behind it is clear: pooling risk expresses Asian fellow feeling and common Asian caution about both the International Monetary Fund and further fallout from America's crisis.
但其背后的推动力不言而喻：分担风险表明了亚洲国家的态度及亚洲人对国际货币基金组织及由美国危机引发的另一轮余波的普遍谨慎心态。
He is a mute, Although can understand others speech, Cannot say own actually feeling, She is hiss neighbor, the girl who is bound by a common destiny with the grandmother.
他是个哑巴，虽然能听懂别人的话，却说不出自己的感受，她是他的邻居，一个和外婆相依为命的女孩，她一直喊他哥哥。
While the actual state that they feel varies immensely for each individual there is a common feeling associated with the term "runner's high".
即便他们每个人的感觉都有极大差别，却都关乎奔跑的愉悦。
This paper introduces the background of user's feeling-based image retrieval and its common principle, process, and retrieval system's framework. And the current research progress is also introduced.
本文介绍了以用户情感为线索检索图像的产生背景，实现原理、检索流程、检索系统的一般架构，以及当前相关研究的现状。
It is common experience that a certain amount of regular exercise improves the health and contributes to a feeling of well-being whether or not exercise adds to the length of life.
不管运动是否能延年益寿，但一定量的运动可以增进健康并使人精神愉快，这一点却是人们共有的体验。
Coffee is the common man's gold, and like gold, it brings to every person the feeling of luxury and nobility.
咖啡对于我们来说好比金子，它能够为每一个普通人带来奢华尊贵的享受。
Songs were: "the wind continued to masterpiece blow", "Monica", "when feeling", "who has resonance", "QianNv wights", "not intentional sleep", "silence is golden", "common danger" and "after", etc.
歌曲代表作有：《风继续吹》、《Monica》、《当年情》、《有谁共鸣》、《倩女幽魂》、《无心睡眠》、《沉默是金》、《共同渡过》、《追》等。
He is a mute, Although can understand others speech, Cannot say his own actually feeling, She is his neighbor, calling him brother. The girl who is bound by a common destiny with her grandmother.
他是个哑巴，虽然能听懂别人的话，却说不出自己的感受，她是他的邻居，一个和外婆相依为命的女孩，她一直喊他哥哥。
He is a mute, Although can understand others speech, Cannot say his own actually feeling, She is his neighbor, calling him brother. The girl who is bound by a common destiny with her grandmother.
他是个哑巴，虽然能听懂别人的话，却说不出自己的感受，她是他的邻居，一个和外婆相依为命的女孩，她一直喊他哥哥。
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