chèng gōu
意思解释：（Steelyard hook）秤杆上用来悬挂重物的金属钩子。
杆秤上的金属钩子。1937年《小学校高年级用自然教科书》第三册:“杆秤的杆上装有秤纽和秤钩，还钉着记重量的星。你如果要秤一样东西有多少重，手提秤纽，把那东西挂在秤钩上，一面移动秤锤，使秤杆成水平，看秤锤移动在秤杆的哪一…
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