Makeham's hypothesis
[医] 马克哈姆氏假说(关于死亡规律)
🧩 词语组成解析
🗣️ 情景例句
I didn't have the heart to tell her that she was not chosen.
我没有勇气告诉她说她没有入选。
How come?
怎么会这样？
Tony speaks English and he plays tennis.
托尼会说英语，打网球。