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The character o is much more than just the fifteenth letter of the alphabet. In everyday speech, it frequently steps in for the number zero, especially when reading out passwords or phone numbers. Beyond its role in spelling and counting, it serves as a vital symbol in science, representing the element oxygen and a specific blood group known for its universal donor properties. Have you ever wondered why we use this single letter in poetic phrases like O Captain! my Captain! or in the term o'clock? This lesson explores the grammatical nuances of the vocative case and the historical contractions that keep this character at the center of our language. We also clarify how to distinguish it from the digit zero in technical contexts. Watch the full lesson to master these diverse uses.
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Từ đồng nghĩa
Từ chứa "o"
Từ có nhắc đến "o"
