數(shù)詞+單數(shù)名詞+核心名詞 A three-minute walk 三分鐘的步行路程 It’s a three-minute walk for me to go to school. 我去學(xué)校是三分鐘的步行路程。 A twenty-kilometer hiking 20公里的徒步 I am going on a twenty-kilometer hiking this weekend. It’s gonna be a big challenge for me. 這周末我準(zhǔn)備去參加一個(gè)20公里的徒步。對(duì)我來說會(huì)是個(gè)很大的挑戰(zhàn)。 A five-meter drop 離地五米的下落 It was a five-meter drop to the ground. 調(diào)到地上是五米。 表達(dá)單數(shù)數(shù)量的概念，也可以用所有格形式’s A week's wages 一周的薪水 He was given a week's wages. 他發(fā)了一周的薪水。 A kilometer’s walk 一公里的步行路程 It was a kilometer's walk to the nearest bus stop. 走到最近的公交站會(huì)是一公里的路程。 今日挑戰(zhàn) 這句話中有一處錯(cuò)誤 改正并寫在留言處和大家分享 She has a three years old boy. And her daughter is 12 years old. 【翻閱上一期內(nèi)容即可查閱正確答案】