The rules state that samples must be enclosed in two watertight containers.

He drank thirstily from the pool under the rock.

他饥渴地喝着岩石下水潭中的水。

Water can be purified by boiling for five minutes.

水煮沸5分钟便可得到净化。

Water in the engine compartment is sucked away by a hose.

发动机舱里的水由一条软管抽走。

Wash your hands thoroughly with hot soapy water before handling any food.

在拿吃的之前，用热肥皂水把手好好地洗干净。

The device had been used operationally some months previously.

该设备几个月之前曾投入运行。

Precious few homebuyers will notice any reduction in their monthly repayments.

极少数购房者会注意到他们月还款额的减少。

The area has been the scene of fierce fighting for three months.

这一地区3个月以来不断发生激战。

The election was held six months ahead of schedule.

选举提前了6个月举行。

He described the difficulties of surviving for four months as a captive.

他描述了被俘4个月里挣扎求生的艰难岁月。

The cross-country section of the three-day event was held here yesterday.

3日比赛中的越野项目昨天在这里举行。

A daily one-hour news show can cost $250,000 to produce.

时长为一小时的日播新闻节目的制作费用可能会高达25万美元。

Every year we have charity days to raise money for unfortunate people.

每年我们都有慈善日来筹款帮助贫困人群。

Publication dates are given in brackets after each title.

出版日期括于书名后面。

He marked off the days on a calendar.

他划去日历上的日期。

We never agreed a date.

我们从未商定好日期。

The date of the election was fixed.

选举日期定下来了。

The inspector dutifully recorded the date in a large red book.

检查员很尽职地在一本大红册子上记下了日期。

I wrote the date at the far left of the blackboard.

我把日期写在黑板的最左边。

You cannot ask for your money back before the agreed date.

约定的日期没到，你不能把钱要回去。

The competition should have been rescheduled for a later date.

比赛本应另择日期。