核心畫面
Picture someone in the water, moving under their own power: swim plus -er, the person doing the swimming. Sometimes the word simply points at whoever is in the pool right now; sometimes it says what kind of swimmer they are — the same noun, seen either as a snapshot or as a skill.
可以想成水裡那個正靠自己划動前進的人：swim 加上 -er，就是「在游的人」。這個字有時只是指認「此刻在水裡的那個…更多收起
可以想成水裡那個正靠自己划動前進的人：swim 加上 -er，就是「在游的人」。這個字有時只是指認「此刻在水裡的那個人」，有時是在講「這個人游得如何」——同一個名詞，一個看的是當下的畫面，一個看的是本事。原始詞典資料5 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
swimmernoun/ˈswɪm.ə/
- 1
One who swims.
- The swimmer who is an expert does not exhibit his muscular force by violent movements, but exhibits some power which is invisible and which shows itself in perfect grace and reposefulness.
- In the summer of 1992, eight beaches were closed and swimmers were warned away because of colliform bacteria, caused by boaters emptying toilets directly into the lake or onto nearby shores. Park officials may soon supply the lake with floating waste disposal systems.
- 2
A protuberance on the leg of a horse.
- 3
A webfooted aquatic bird.
- The number of species of birds at present known from the various islands of the Molluccan group is 265, but of these only 70 belong to the usually abundant tribes of the waders and swimmers, indicating that these are very imperfectly known.
- 4
A sperm.
- 5
informalA Norfolk dumpling.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。