名詞 er:

1. a trivalent metallic element of the rare earth group; occurs with yttrium
   同義詞：erbium, atomic number 68
2. a room in a hospital or clinic staffed and equipped to provide emergency care to persons requiring immediate medical treatment
   同義詞：emergency room

1. Er views very definitely.
   她非常明確地闡述自己的觀點。
2. Er, let me see, it's three dollar all together.
   呃，主我想想看，那是總共3美元。
3. Er, let me think. Sorry, my mind's gone blank.
   讓我想一想。抱歉，我大腦一片空白。
4. Erving. what's he call, er stone?
   歐文，他叫什么來著，歐文。斯通？

Er
NONE（無詞性）
The symbol for the element erbium
元素erbium的符號