Preexisting
v. 先前存在( preexist的现在分词 )
✅ 同义词
🗣️ 情景例句
Do you really mean it?
说的可是当真？
Call me tomorrow if you have time.
明天要有时间就给我打个电话。
Compared with competing products, ours is smaller and lighter.
比起其它竞争产品，我们的比较轻巧。