基本解释num.十分之七同根派生 seven-tenths相关词英汉例句用作數詞 (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