短语讲解：

1. If the number of deaths from TB is to be reduced, doctors must be able to accurately diagnose and quickly treat patients.

be able to 能够
例句：I admire the way she is able to shrug off unfair criticism.
我很佩服她能对错误的批评意见不予理会。

2. Thirty thousand people die from the disease every year in Tanzania. 
 
die from 死于（某种原因，不包括疾病、过度悲伤等）
例句：Every winter some old people die from hypothermia.
每年冬天都有些老人死于体温过低。
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