abbr. 美国国税局（Internal Revenue Service）
n the bureau of the Treasury Department responsible for tax collections
1. Which I'm sure has all been reported to the irs.
那我想肯定都申報給稅務局了吧
2. So I was surprised as anybody when the irs came knocking.
所以国税局找上门的时候我和大家一样吃惊
3. There should be an ir lasso visible right now.
现在应该能看到红外线激光束
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