a bar with one accurately straight edge, used for testing whether something else is straight
直尺,标尺,校正尺。
chiefly
〈主美〉(尤指硬核朋克乐迷)苦行的;禁欲的;禁酒的
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he's so straight-edge that he won't even take Tylenol when he has a headache .他是如此的一个苦行主义者,即便是头疼时也不肯服用泰诺。