Dtf
资料传输因数（data transmission factor）
🗣️ 情景例句
He and my Grandpa both went there.
他和我爷爷都曾在那儿读书。
Wisdom is only found in truth.
只有在真理中才能找到智慧。
London is on the river Thames.
伦敦位于泰吾士河边。