短语讲解：

1. Before the helicopter crew was able to stop the killing, 504 civilians -- mostly women, children and old people -- were dead.

be able to 能够; 能，会
例句：We must be able to stay impartial at all times.
我们必须经常保持公正的态度。

2. He wrote that Colburn’s funeral should “be on national television. Children (should) read about him in school.

read about 读到，获悉
例句：We read about the Civil War period.
我们在读有关内战时期的书。
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