1.cross … with … 使……与……杂交

If you cross soft wheat with hard wheat you can produce flour suitable for making bread.

如果你把软麦和硬麦杂交，那么你就可以生产出适于制作面包的面粉(g!fza-wi8rT0YFB]。

2.run out of puff 力不从心

The government used to be keen on overhauling education but it has run out of puff.

政府过去热衷于改革教育，但似乎已经黔驴技穷qAK);x0Iufa&[.3SfC。

3.hybridise 使杂交

The ability to hybridise is one measure of relationship.

杂交能力是衡量亲缘关系的一个尺度a(2hfVr-g#^-0lF,j_。

4.a large amount of 大量的（接不可数名词）

The gang finally fled with a large amount of cash and jewellery.

那帮歹徒最终带着大量的现金和珠宝逃走了!no_af]d*8P。