半个世纪

The north and north-east of China contain some of the main grain-growing regions of the country, making them part of the backbone of the country's aion power leveling huge agricultural sector, however they have already experienced some of the worst droughts in half a century this year.

华北和东北地区包括中国一些主要的谷物种植地区，是中国庞大农业部门的一部分主干。不过，这些地区今年经历了半个世纪来最严重的旱灾。

In the last half century, many theoretical and experimental envidences confirmed the existence of quarks without doubt, however, these experiments showed that quarks only exist inside hadrons and we will never find free quark.

近半个世纪的理论和实验研究无可争辩地证实了核子等强子内存在夸克，不过这些夸克只存在于核子等强子内而不能作为自由夸克存在。

He was part of a nine-member expedition that followed the southeast route pioneered by Sir Edmund half a century ago.

他是从半个世纪前希拉里爵士开辟的东南路线登顶的九人探险队的一员。

It was the first time in almost a half-century that there were candidates from more than one party .

这是将近半个世纪以来，第一次从多政党的候选人中进行选举。

Over the past half-century many people have tried to ape its success.

半个世纪以来，许许多多的人都在想模仿她的成功。

On behalf of our nation, I salute my predecessor, President Bush, for his half-century of service to America.

我谨代表我们的国家，向我的前任，布什总统致意，感谢他半个世纪以来为美国所做出的贡献。

For all but 11 months of the past half-century, Japan has been ruled by the LDP.

过去的半个世纪，自民党只有11

Economy's worst performance in a half-century.

美国经济在今年第一季度的表现是半个世纪以来最差的。

We must be as creative today as our predecessors were a half-century ago.

今天的我们必须像半个世纪前的前辈那样富有创造精神。

In the past half-century , the South has come further than any other American region.

在过去的半个世纪中，南方大步迈进，走在了美国的前列。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！