| 单词 | er | 
| 释义 | Word Frequency er 1(ə, ɜː) exclamation a sound made when hesitating in speech  Word Frequency er 2the internet domain name for  Eritrea  Word Frequency Erthe chemical symbol for  erbium  Word Frequency ERabbreviation for 1.  (in the US) Emergency Room (in hospitals) 2.  Elizabeth Regina  3.  Eduardus Rex  Word originLatin: Queen Elizabeth Word Frequency -er 1suffix forming nouns 1.  a person or thing that performs a specified action  reader  decanter  lighter 2.  a person engaged in a profession, occupation, etc  writer  baker  bootlegger 3.  a native or inhabitant of  islander  Londoner  villager 4.  a person or thing having a certain characteristic  newcomer  double-decker  fiver Word originOld English -ere; related to German -er, Latin -ārius Word Frequency -er 2suffix forming the comparative degree of adjectives ( deeper, freer, sunnier, etc) and adverbs (faster, slower, etc) Word originOld English -rd, -re (adj), -or (adv) | 
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