Pre-exist
(=preexist) vi.vt.先存在, 先于...而存在
📖 牛津释义
pre-exist
v[I]
(a) exist beforehand 先存; 先在.
(b) live a life before this life 生存於前世.
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
What am I supposed to do?
我该做什么？，
By doing we learn.
经一事，长一智。
tap water that is too hot to touch can be left to cool and is generally safe to drink.
水管中流出的烫手的水可以留下来冷却。这种水一般是安全的。