The disease is a form of stem rust named for its discovery in Uganda ten years ago.
VOA: special.2009.08.18
We all know that in 2006 the car had a lot of scratches and it got bended in one side and pretty sorry looking in terms of the scrapes and the paint job and the rust.
我们都知道,2006年的车有很多刮痕,一边车身还凹了,很旧的样子,到处是刮痕,油漆脱落,生锈。
The world's last major outbreak of stem rust took place in the nineteen fifties.
VOA: special.2009.08.18
We have a big job on our hands,". Borlaug expressed concern about a new variety of wheat stem rust attacking wheat plants in Africa and advocated greater coordination of researchers around the world to stop its spread.
VOA: standard.2009.09.13
应用推荐