基本解釋num.十分之七同根派生 seven-tenths相關(guān)詞英漢例句用作數(shù)詞 (num.)About seven tenths of the earth's surface is covered with water while three tenths of it is covered with land.地球表麪約有十分之七佈滿了水，衹有十分之三的地表爲陸地所覆蓋。seven-tenths更多例句