常見例句Eddie: You know, I never thought Siever would wimp out like that. 艾迪：我沒料到西弗會這麼窩囊。Mountains have deep roots under the surface of the ground. (Earth, Press and Siever, p. 413. 山在地表下有深根。(earth[地球],作者普雷斯(Press)與西瑞爾(Siever),第413頁。)sand siever 篩砂器 返回 Sievering