常速英语:SAF New Fire-Building Method Reduces Air Pollution

音频下载[点击右键另存为]

thanks to幸亏, 多亏, 由于
例句：Thanks to your help, we were successful.
由于你的帮助, 我们得以成功。

2. In some parts of Johannesburg, open air coal fires in informal dwellings are responsible for up to 70 percent of the air pollution - most of it coming from smoke.

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。
come from由…造成, 源自
例句：Knowledge comes from practice.
知识来自于实践。

3. I also learn I should not sleep with it in the house because the children get sick due to the gas emissions

due to由于，因为
例句：Her absence is due to illness.
她因病缺席。

4. The credit for coming up with the new technique is generally ascribed to Nobelungu Mashinini, a South African grandmother. 

come up with (针对问题等)想出;提供
例句：He could not come up with a proper answer.
他想不出一个合适的回答。
ascribe to把…归于…; 认为…属于…
例句：This invention is ascribed to Edison.
这项发明被认为是属于爱迪生的。