As for the day" grain in ear", it could not only occur at midnight but must also have occurred at midnight every four years in the Qin and the early Han dynasties.

Shanghai does not grow wheat, to the Grain in Ear season, we have to pay close attention to planting;

上海不种麦子，到了芒种时节，我们得抓紧栽插；

Some schools require students to provide community service by volunteering in a nursing home, child care center or government agency.

一些学校要求学生提供社区服务，比如在养老院、幼儿托管所或是政府机构里做志愿服务。

Tickets are available from the Arts Centre at £ 2.50.

艺术中心有票，每张2.50英镑。

The castle forms the focal point of the city.

这座城堡是城市的中心。

This is Mission Control calling the space shuttle Discovery.

这是地面指挥中心呼叫航天飞机“发现号”。

The traffic lights are controlled by a central computer.

交通信号灯由中心计算机控制。

The architect had produced a scale model of the proposed shopping complex.

建筑师为提议建设的购物中心做了一个比例模型。

The advice centre is staffed entirely by volunteers.

在咨询中心工作的全部是志愿者。

The hotel is centrally located for all major attractions.

这家旅馆位于中心地带，去往所有主要景点都很方便。

The new sports complex is on target to open in June.

新建的体育中心将在六月份如期开放。

The centre aims to free young people from dependency on drugs.

这个中心的目的是使年轻人解除对毒品的依赖。

The town centre was zoned for office development.

镇中心被划定为写字楼开发区。

As the youngest child, she was always the centre of attention.

身为幼女，她一直是大家关注的中心。

Their four-hour match on Centre Court was an epic.

他们在中心球场历时四个小时的比赛是一个壮举。

She was forced to the centre of the political stage.

她被推到了政治舞台的中心。

The prison camps were euphemistically called 'retraining centres'.

战俘营被委婉地称作“再训练中心”。

The centre is well equipped for canoeing and mountaineering.

本中心有齐全的划船和登山设备。

He has to organize his life round the kids.

他不得不以孩子们为中心来安排自己的生活。

They are seeking a central, directive role in national energy policy.

他们正寻求在国家能源政策方面起中心指导作用。

The centre offers activities like canoeing and sailing and such.

这个中心开展划艇、帆船之类的活动。