短語詞組短語dealings plural noun 關(guān)系mains plural noun UK 水源;煤氣源;電源irregular plural noun 名詞不規(guī)則復(fù)數(shù)forming plural noun 用于形容詞前構(gòu)成復(fù)數(shù)a plural noun 復(fù)數(shù)名詞 返回 plural noun