sub

noun

/sʌb/

(informal)

a submarine (= a ship that can travel underwater)助理编辑；审校人
(also submarine sandwich, hero)
(North American English) a long bread roll split open along its length and filled with various types of food潜艇三明治，长卷三明治（用长卷面包纵向切开，内夹各种食物）
a substitute who replaces another player in a team替补队员
- He came on as sub.他作为替补上场。
(British English) a subscription (= money that you pay regularly when you are a member of a club, etc.)（向俱乐部等定期交纳的）会员费
(British English) a subeditor助理编辑；审校人
(North American English) a substitute teacher代课教师

verb

/sʌb/

Verb Forms

present simple I / you / we / they sub	/sʌb/ /sʌb/
he / she / it subs	/sʌbz/ /sʌbz/
past simple subbed	/sʌbd/ /sʌbd/
past participle subbed	/sʌbd/ /sʌbd/
-ing form subbing	/ˈsʌbɪŋ/ /ˈsʌbɪŋ/

[transitive] sub somebody to replace a sports player with another player during a game（在比赛中）替换（队员） synonym substitute
- He was subbed after just five minutes because of a knee injury.他仅上场了五分钟便因膝部受伤被替换下场。
[intransitive] sub (for somebody) to do somebody else’s job for them for a short time暂代（某人）工作；替班 synonym substitute
- Jake asked me to sub for him next week when he's away in California.杰克要求我下周他去加利福尼亚时替补他。
[transitive] sub something for something to use something instead of something else, especially instead of the thing you would normally use代用；替代（尤指通常使用的东西） synonym substitute
- For a lower-calorie version of the recipe, try subbing milk for cream.要降低这道菜的热量，可用牛奶代替奶油。
[transitive] sub somebody something (British English, informal) to lend somebody money for a short time短期借（款）给
- Could you sub me £50 till next week?借我 50 英镑，下星期还你，可以吗？

sub-

prefix

/sʌb/

(in nouns and adjectives) below; less than在…以下；少于；低于；亚于；次于
- sub-zero temperatures零度以下气温
- a subtropical (= almost tropical) climate亚热带气候
- substandard低于标准的
(in nouns and adjectives) under在…下面（或底下）
- subway地铁
- submarine潜艇
(in verbs and nouns) a smaller part of something分支；分部；分
- subdivide再划分
- subset子集
More Like This Prefixes
Prefixes
- a-
- ante-
- anti-
- be-
- co-
- de-
- demi-
- dis-
- en-
- ex-
- extra-
- hyper-
- hypo-
- il-
- in-
- infra-
- inter-
- intra-
- mis-
- non-
- off-
- oft-
- out-
- over-
- para-
- post-
- pre-
- pro-
- re-
- retro-
- semi-
- sub-
- trans-
- ultra-
- un-
- under-
- up-

Word Originfrom Latin sub ‘under, close to’.

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