VOA慢速英语:New Treatment for Sleeping Sickness

give out分发; 散发

例句：They stood there, giving out the leaflets to the passers-by.
      他们站在那里, 向过路人散发传单。

      Over a thousand copies of the pamphlet have now been given out.
      现在已分发了一千多本小册子。

耗尽; 用完

例句：He plans to stay there until his money gives out.
      他计划在那里待到钱花完为止。

hand out把...拿出来,分发,施舍

例句：Will you help me to hand out the materials for the lecture?
       你可以帮我分发演讲材料吗?

      Have you handed out the Christmas gifts?
      圣诞礼物都分发出去了吗?

2.In addition, the new treatment reduces the number of injections needed.

in addition此外,加之,又

例句：I committed an error in addition.
      此外，我还犯了一个错误。

3.It develops in two different forms. Trypanosoma gambiense is responsible for ninety percent of the reported cases of sleeping sickness.

be responsible for为...负责,形成...的原因

例句：The bad weather is responsible for the small attendance.
      出席率低是由于天气不佳。