例句
英语六级真题
  • Good, sound science depends on hypotheses, experiments and reasoned methodologies.
    2016年12月六级真题(第二套)阅读 Section A
柯林斯高阶英汉双解学习词典释义
英英词典释义
  • Adjective
    1. reflects weight of sound argument or evidence;
    "a sound argument"
    2. resulting from careful thought;
    "the paper was well thought out"