-er
…的人（或物）
📖 牛津释义
-er
suff 後缀
1 (with vs forming ns 接在动词後构成名词) person or thing that does 施动的人或事物: lover
computer. Cf 参看 -ee, -or.
2 (with ns forming ns 接在名词後构成名词)
(a) person concerned with 与...有关的人: astronomer
philosopher.
(b) person belonging to 属於...的人: New Yorker
villager * sixth-former.
(c) thing that has 有...的东西
three-wheeler * double-decker.
🧩 词语组成解析
Er
[[ə:]]
[医] 铒(68号元素)
🗣️ 情景例句
He knows all there is to know,
他无所不知，
Politeness costs nothing and gains everything.
礼貌不费分文而可赢得一切。
It is not a simple competition for a fixed amount of food determined by the physical environment,
它已不是为了争得物质环境所决定的有限食物而进行的简单竞争了，