前功尽弃英语怎么说
- It must be found, or else all this work is meaningless.
- There's a real risk we could experience an upsurge in new infections that would undercut everything we've done with treatment.
- The dam must be closed before the rainy season sets in, or all our Labour will be lost.
- Life is not a spelling puzzle, where no matter how many words you? Ve gotten right, you're disqualified if you make one mistake.