barrel tip
桶技巧
以上为机器翻译结果，长、整句建议使用 人工翻译 。
My grandfather stood guiltily beside Mother Vera with his sleeves drawn down over his hands, and when his turn came he touched the barrel with the tip of one sleeve-covered finger, and only for a moment.
NEWYORKER: The Tiger��s Wife
It started in 2002, he says, when he got a tip about a huge pork barrel project.
NPR: Origins Of Bridge To Nowhere Explained
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