基本解釋adj.十二歲的同根派生 twelve-year-old相關詞英漢例句用作形容詞 (adj.)His voice began to change when he was 12 years old.當他十二歲的時候他的聲音深化了。She was only twelve at the time of liberation.解放那時節(jié)她才十二歲。twelve-year-old更多例句