What did Jackson have that caused Morse’s interest?
(A) painting
(B) steamship
(C) electricity
(D) electromagnet

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統計： A(3), B(2), C(16), D(79), E(0) #339037

詳解 (共 1 筆)

#686371

  1. electromagnet

    KK[ɪˋlɛktrəˋmægnɪt]DJ[iˋlektrəuˋmægnit]
    • n.名詞

      1. 電磁體

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