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
She won the first place in a speech contest.
她在演讲比赛中获得很第一名。
His bad English is a bar to his getting a job.
他的英语很差，这是他找工作的一个障碍。
In the middle of the classroom.
在教室中间。