Preexists
v. 先前存在( preexist的第三人称单数 )
🗣️ 情景例句
A little further back, Tom.
再往后一点 Tom。
Repetition is the mother of knowledge.
反覆学习是知识之源。
I insist on taking proper food for this expedition. The men often fall ill and suffer fever, so I have decided to take live animals.
我坚持认为，这次探险要携带合适的食物。水手经常生病发烧，因此我决定带活的动物。