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Jyutping gwang1 hoeng2
Pinyin hōng xiǎng

Definitions (Wiktionary)
  1. verb
    to roar; to rumble
    (syn.) 轰鸣, 轟鳴
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

轟響 [轰响]

Jyutping
Pinyin hōng xiǎng

Definitions (CC-CEDICT)
  1. loud sound, such as that of thunder or a bomb
  2. to rumble
  3. to roar