放射性材料 (fong3 se6 sing3 coi4 liu2) — radioactive material in Cantonese
fong˗₃放seˍ₆射sing˗₃性coiˎ₄材liuˊ²料Mandarin Pinyin: fang4 she4 xing4 cai2 liao4
Meaning of 放射性材料
nounradioactive material
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