• 1. hook tooth: 敕轮齿 | 棘轮齿 | 钩状锯齿
• 2. hook-tooth file: 平行齿半圆锉
• 3. hook tooth sprocket gear: 不可逆链轮

更多释义

• 1.The rod was a bamboo pole, the hook was converted from a paper pin, the string was cotton sewing thread, the float pulled from a broom, and tooth-paste casing boiled and shaped into a plummet.
  竹竿就是鱼杆，大头针就是鱼钩，缝纫机线就是钓鱼线，芒草扫帚抽一根出来切出一截就是鱼漂，而牙膏壳就烧制成铅锤。
  dict.yoduao.com

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