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
Is there a convertible model available?
这里有敞篷车吗？
One should travel out of his own country at least once.
我们至少应该离开自己的国度去旅行一次。
The woman was a visitor. She did not live in London. She lived in the country.
这老太太是位游客，不住在伦敦。