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
Grandma's pearls!
祖母的珍珠项！
Generally speaking, a contract cannot be changed after it has been signed by both parties.
一般来讲，合同一经双方签订就不得更改。
I think there is a possible problem if you tell the manager about the thief.
我想，如果你向经理告发这个窃贼，可能存在这样一个问题。