boundary(n) 音標 : [`baundǝrɪ] 解釋 : 分界線;範圍 例句 : A river forms the boundary between the two cities. 翻譯 : 河流形成這兩城市的界線。
viasilkwormnourishnudenutritiousobedientobservationphotograph/photoopposeorchardpokeorganizationpeakpermissiblepistolplusquarrelradiatorrattleregulaterhythmrumblestickystinkmenaceskullgovernrespectablerespectfulrip