1. Downer 的词源和含义
Downer 最初是一个美国俚语，指的是一种药物，即镇静剂。它的英文含义是“使人沮丧的东西”，因此也可以形容一个不愉快的经历或场合。缩写词“DN”在医学术语中表示“剂量”或者“浓度”，比如“Lethal DN50”表示半数杀死生物的剂量，或者“DNase”表示可以降解核酸的酶类。
示例句：
– The movie was such a downer that I left the theater feeling depressed.（这部电影真让人沮丧，我走出电影院时感到沮丧。）
– The party turned into a real downer when the power went out.（派对在停电时变成了一场真正的沮丧。）
– The doctor prescribed a downer to help me relax before the surgery.（医生开了一种镇静剂帮助我在手术前放松。）
– In order to calculate the dose, we need to know the DN of the drug.（为了计算剂量，我们需要知道这种药物的浓度。）
– The DNase enzyme is commonly used in the laboratory to break down nucleic acids.（DNase酶在实验室中常被用来降解核酸。）
2. Downer 在音乐圈的使用
Downer 有时也用来描述音乐节奏、情绪和风格。在音乐领域，downer 指的是一种慢、沉重、悲伤的音乐风格，通常是指摇滚、重金属或某些流派的电子音乐。downer 还可以形容声音低沉沉闷，使人感到沉重的声音效果。
示例句：
– This song is a real downer, it always makes me feel sad.（这首歌是真的悲伤，总是让我感到沮丧。）
– The band played a set of downer tunes that had the crowd swaying slowly.（乐队演奏了一系列悲伤的曲子，观众们缓慢地摇晃。）
– The downer guitar riff set the ominous tone for the rest of the song.（悲伤的吉他节奏为整首歌设定了不祥的气氛。）
3. Downer 在澳大利亚和新西兰的俚语用法
在澳大利亚和新西兰，downer 还有一个不同的用法。它指的是病死的家畜，尤其是牛。这个用法起源于肉类工业，现在已经延伸到其他领域，比如描述时机不对或者情况糟糕。
示例句：
– The farmer had to dispose of the downer cow that had died in the field.（农民不得不处理死在田野里的病死奶牛。）
– The project was a total downer and I wish I’d never taken it on.（这个项目完全没劲，我后悔接下了它。）
– I had a downer day at work and just want to go home and relax.（我在工作中度过了糟糕的一天，只想回家放松一下。）
downer 的中文翻译为“沮丧的人”，读音为 [ˈdaʊnə(r)]。例句：
1. He always brings the mood down. He’s such a downer. (他总是让气氛变差。他是个沮丧的人。)
2. The news about the company’s layoffs was a real downer. (公司裁员的消息真是让人沮丧。)
认为这个计划行不通。)
downer在英语中代表”镇静药、人名”的意思，作为名词时有”令人沮丧的人”的意思，读音为[‘daunә]，downer常被用作名词，在《英语自学简明词典》中，共找到52个与downer相关的句子。
1.镇静药
例句:And most would hate to see a raunchy downer on a first date. (同时，大多数人都不喜欢在初次约会时去看秽片。)
2.人名
例句:Mr Downer also issued a statement on the matter from overseas, saying his comments had been misinterpreted. (唐纳还从海外发出关于此事的声明，称他的言论被误解了。)
3.令人沮丧的人
例句:What’s more, the visual murk creates emotional murk; the experience is such a downer that it’s hard to find moments of up. (另外，视觉上的昏暗还带来了情绪上的昏暗，整个过程如此沉闷，都很难找到让人兴奋的时候。)
4.唐纳、令人沮丧的人
例句:”The Downer is a person you have to let into your life with care because this trait can be contagious,” Yager says. (翻译:“扫兴者是一种让他进入你生活时你必须小心的人，因为这种性格会感染他人”，耶格说。)
downer一般作为名词使用，如在Downer Glacier([地名] 唐纳冰川 ( 南极洲 ))、downer cow syndrome(牛不能起立症候群, 牛不能起立症候群)等常见短语中出现较多。
1. What’s more, the visual murk creates emotional murk; the experience is such a downer that it’s hard to find moments of up. (翻译:另外，视觉上的昏暗还带来了情绪上的昏暗，整个过程如此沉闷，都很难找到让人兴奋的时候。)
2. “The Downer is a person you have to let into your life with care because this trait can be contagious,” Yager says. (翻译:“扫兴者是一种让他进入你生活时你必须小心的人，因为这种性格会感染他人”，耶格说。)
3. Downer cows– too ill or lame to walk– being brutalized to get them to their feet for slaughter. (翻译:…因患病而无法站立的牛 被强迫着站起来以便运到屠宰场)
4. For divorced people, Christmas can be a downer. (翻译:对离异的人来说，圣诞节是个令人沮丧的节日。)
5. And let’s not talk about the downer piece, like, you go to Mars to make sure all earthlings don’t die. (翻译:而让我们不要谈论令人沮丧的方面， 比如，你去火星来确保 所有地球人都不会死。)
6. Downer never leaves my side. (翻译:有门卫在院子里巡逻 Dano也一直陪在我身边)
7. I don’t want to be a downer, but that – I’m pretty sure this animal is dead. (翻译:我并不想成为一个镇定剂，但 – 我敢肯定，这种动物已经死了。)
8. Most of epigenetic research has really focused on stress, anxiety, depression — kind of a downer, kind of bad things. (翻译:大多数的表现遗传研究 专注于压力，焦虑，抑郁—— 有点令人沮丧， 有点糟糕。)
9. The only downer is a nasty ankle break for Sheffield United’s centre-forward Hulse. (翻译:球赛唯一令人沮丧的，是谢菲尔德联的中锋赫斯令人不安的足踝骨折受伤。)
10. You want to wear pink and white, so I think that just a closet full of black is a downer, and I also think that it makes you look invisible. (翻译:所以我认为满衣柜的黑色是很悲哀的，而且这会让你很不起眼。)
11. Last season was a bit of a downer: I had a bad injury and needed a knee operation, but this term I’ve managed to stay fit. (翻译:上赛季有点沮丧。我伤的很重，膝盖还动了手术。但本赛季我希望能好好的。)
12. Yet Mr Downer says the real question is not whether a deal is possible but whether the two sides truly want one. (翻译:不过唐纳先生说真正的问题并不是是否有可能达成协议，而是谈判双方是否发自内心地想要达成一个协议。)
13. That’s a real downer for a company that wants to be known for social connections and good news. (翻译:对于一个想以社交网络而出名的公司来说，这应该算得上是真正的镇定剂和好消息！)
14. Nobody likes a Debbie Downer or a Serena sabotage. (翻译:没有人喜欢Debbie Downer 或者Serena的阴谋)
15. They said if it hadn’t been for that little bit of downer, I’d be dead. (翻译:他们说如果没有一点镇静剂的话， 我就会死去)
downer作为名词的时候，其近义词以及反义词有s、downers等。
