two-leaf door; 兩扇門
two thousand people; 兩千人
say a few words; 說兩句
for a couple of days; 過兩天
two liang of tea 二兩茶葉
both sides; 兩面
mutually exclusive; irreconcilable 勢不兩立
牛津高階第八版
美國韋氏詞典
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維基百科 (自由的百科全書)