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Desvl English Tips

电报频道的标志 desvlenglishtips — Desvl English Tips D
电报频道的标志 desvlenglishtips — Desvl English Tips
通道地址: @desvlenglishtips
类别: 语言学
语言: 中国
用户: 953
频道的描述

Patreon: patreon.com/desvl
现学现卖
个人手动运行,非营利,没有付费墙
本频道涉及范围:grammar, idiom, etymology, vocabulary, memes, anniversary.
若未经说明,此频道中图片均来自网络
By default, this channel does not claim originality of any content.

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最新信息 12

2021-09-05 08:22:51 if and only if, iff
在逻辑中常用的一个连接词,意思是“当且仅当”。"P if and only if Q"通常被翻译为”P当且仅当Q“。在英语中也有一些常用的替代,例如
1. Q is necessary and sufficient for P.
2. P is equivalent to Q.
3. P precisely if Q.
4. P exactly when Q.
5. P exactly in case Q.
6. P just in case Q.
7. If P then Q and conversely.
8. P implies and is implied by Q.
iff的缩写最早可以在John L. Kelly的General Topology一书中见到,而最早使用者通常被认为是Paul Halmos。有些数学家认为这种缩写完全不能接受,也有的认为这是接受的极限,总之写if and only if是不会出现问题的。
如果想读iff,为了不和if混淆,除了”翻译“成if and only if,还可以读成ɪfː,把最后一个音拉长。
216 views05:22
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2021-09-04 03:09:25
母校:alma mater The school that an alumnus graduated from is called his alma mater.
9 views00:09
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2021-09-03 13:01:42
斯巴达式、古斯巴达人:Spartan
93 views10:01
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2021-09-03 12:43:06 That stinks! 那真难闻!
stink(stank/stunk)这个词作为动词最常用的用法就是用来指某物发出难闻的气味。也可以用来指很差、很糟糕(disgustingly inferior),比如指足球比赛发挥糟糕,某某人的球臭得没边了,也是用stink。
这个词也可以用来作名词,指难闻的气味,或者是绯闻。
There was a big stink about his accepting a bribe.
108 views09:43
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2021-08-29 10:18:35
可能单词缩写都会让人觉得懒,没有文化,比如wdym、itt等等,但是也有相反的结果的。例如e'er和e'en是ever和even的缩写,但是这种缩写是被认为是poetic or archaic的
90 views07:18
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2021-08-20 08:33:30 Try: 起诉
When a person is tried, he or she has to appear in a law court and is found innocent or guilty after the judge and jury have heard the evidence. When a legal case is tried, it is considered in a court of law.

He suggested that those responsible should be tried for crimes against humanity. 

Whether he is innocent or guilty is a decision that will be made when the case is tried in court.
 

(来自Collins)
91 views05:33
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2021-08-14 12:27:20 OP
这是一个在网上很常见的缩写,但是意思并不止一个。在论坛式网站上,OP用来指最初发帖的人,是Original Poster的缩写(所谓的“楼主”)。
在游戏中,OP用来指过于强,是Overpower的缩写。
82 views09:27
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2021-08-12 17:46:20 这里的phishing当然就是fishing的变形。这种语言现象叫Leet(原为elite),简单点说就是强行用其他字母、数字、符号替换,来达到各种效果。比如用u代替you,用gr8代替great,n00b代替noob等等。
113 views14:46
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2021-08-12 17:26:29
网络钓鱼: Phishing
127 views14:26
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2021-08-08 13:43:57
可憎的,令人讨厌的,粗鲁无礼的:obnoxious
e.g. Some of his colleagues say that he is loud and obnoxious.
95 views10:43
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