ابحث
Elmer ambrose sperry
/ˈɛlməɹ ˈambɹəʊz spˈɛɹi/
/ˈɛlmɚɹ ˈæmbɹoʊz spˈɛɹi/Elmer ambrose sperry
01
United States engineer and inventor of the gyrocompass (1860-1930)
مثال
/ˈɛlməɹ ˈambɹəʊz spˈɛɹi//ˈɛlmɚɹ ˈæmbɹoʊz spˈɛɹi/
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