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Jyutping zo2 kong3
Pinyin zǔ kàng

Definitions (CC-CEDICT)
  1. (electrical) impedance
Definitions (Wiktionary)
  1. noun, of electricity, usually
    impedance
  2. verb, uncommon
    to resist; to hinder; to oppose; to impede
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)