I am willing to buy after the half-life and life?

It has a half-life of about 41 / 2 billion years.

它的 半衰期 大约为45亿年.

Some dropped off wreaths and fresh flowers, piled high under the national flag flying at half-staff.

很多身着黑色,有些人放下花圈及鲜花,在半旗下, 堆积成山.

President Bush earlier ordered the flags across the United flown at half-staff in her honor.

布什总统一得知消息就下令全美降半旗哀悼.

Flags, which at half-staff during the mourning period, fluttered in the wind.

在哀悼期间 降半旗 的国旗在风中飘动.

The flag was flown at half-staff.

那旗帜降了半旗.

I tiptoed out of their room, closed the door part way, and went downstairs.

我踮起脚尖,走出他们的房间, 关门, 下楼.

When they had gone part way, Ma snatched her up, lantern and all, and ran.

当她们走出一段路后, 妈妈一把抓起劳拉和灯笼, 拔腿跑了起来.

I curled up tight as something scrambled partway into the hole and bumped into my feet.

我紧紧地蜷成一团,有什么东西爬进洞里,碰到我的脚.

You are partway to the higher levels and have that air of confidence and knowing.

你某种程度地达到了更高层次并且具有信心和了解的气质.

I'm already partway home.

我已在回家途中.

I'll go partway with you.

我陪你到中途.

Edmond Halley , English astronomer and mathematician , renowned for studies of comets , was born in London.

以研究彗星称著的英国天文学家、数学家 埃德蒙·哈雷 生于伦敦.

Production of this factory has come to a standstill owing to the lack of funds.

因为缺少资金该厂生产已停工.

We've come to a standstill.

我们的船已停止航行.

The work has come to a standstill for lack of funds.

由于缺乏资金,这项工作停顿下来.

German shipping had thus come to a standstill.

因此德国的航运完全停顿.

The work has come to a standstill.

工作陷于停顿.

Tragic flaw? It's new to me.

悲剧的缺憾? 我还没听说过呢.

If the unit has a primary weapon, it may have a secondary side arm.

如果是肉搏兵种, {那他们还会有次要能力?

Ask your friends to ham it up for the camera while you experiment with the flash.

当你试验闪光灯的时候,请你的朋友在照相机前装模作样一下.