Preexisting
v. 先前存在( preexist的现在分词 )
✅ 同义词
🗣️ 情景例句
In two hours and fifteen minutes
再过两小时十五分钟
I broke 7 plates.
我打破七个盘子。
The survey revealed a large number of sources of noise that we really dislike.
这个调查显示出很大数目我们不喜欢的噪音源：