immerse、dip、duck、plunge与submerge这些动词均有“沉浸、浸入”之意。
immerse : 侧重全部被液体所覆盖，也可用于比喻意义。
- 他将身子浸没在水池里。
He immersed himself in the pool. - 那个沉默寡言的人埋头于工作。
The reticent man immersed himself completely in work.
（拓展学习：小词详解 | immerse）
dip : 指部分地、暂时地或轻微地放进液体，多暗示一种谨慎或试探性的动作。
- Dip the fish in the batter, then drop it into the hot oil.
先把鱼在面糊中浸一下，然后再放进热油中。 - She dipped her toe into the pool to see how cold it was.
她把脚趾伸到游泳池里试试水有多凉。
duck : 指把头伸进水中，或指游泳时开玩笑地把一个人的头按入水中。
- The boys were splashing around and ducking each other in the pool.
男孩子们在游泳池里击水打闹，并按住对方往水里压。
plunge : 暗示迅速而有力的动作，但浸入不一定很深。
- I really enjoyed my plunge (= jumping in and swimming) in the pool.
我很喜欢在游泳池里跳水游泳。
submerge : 指长时间的完全浸入、潜入，强调浸入液体深层。
- The submarine submerged when enemy planes were sighted.
潜艇发现敌机后马上下潜。 - She was taken to hospital after being submerged in an icy river for 45 minutes.
她在冰冷的河水中浸了45分钟后被送进了医院。
