He heard a step outside.

These seeds must be covered with a layer of earth.

这些种子必须盖上一层泥土.

Sow the seeds in rows.

一垄一垄地播种。

He was spitting out the husks of sunflower seeds on the floor.

他把瓜子皮吐在地板上.

Don't mix up the two kinds of vegetable seeds.

别把这两种菜籽搀杂在一起.

The subject came up during a pre-dinner drink with our guests.

在与客人喝餐前酒的时候，有人提到了这个话题。

The people in your grasp are not guests, they are hostages.

你所控制的这些人不是客人，而是人质。

Hotels operate a collection service for their guests from the airports.

宾馆为客人提供机场接机服务。

The graphs give a visual representation of the inflation.

这些图直观的说明了通货膨胀.

Use graphs or figures to describe your ideality, can you?

在一分钟内把你的理想用图形表示出来, 你行 吗 ?

We shall consider partitions of the edges of graphs and hypergraphs.

我们将考虑图和超图的边的划分.

They take the form of graphs, charts , and written reports.

它们以图表 、 报告的形式出现.

For the so-called strongly regular graphs we shall rewrite the condition in a more attractive form.

对于 所谓 强正规的图,我们将把条件改写成更有吸引力的形式.

Some problems concerning groups are best attacked by using graphs.

有关群的一些问题可以使用图来很好地解答.

In this section we present a brief but systematic discussion of functions and their graphs.

本节我们要简单而系统地讨论函数及其图象.

The track snaked perilously upwards.

这条小道蜿蜒而上，很危险。

She had spent years trying to track down her parents.

她已经花了好多年时间试图追寻父母的下落。

They left the car and struck out along the muddy track.

他们下了车，然后开始沿着泥泞的小路往前走。

He galloped the horse along the track.

他沿着跑道策马疾驰.

The track star outran all of his competitors.

那位径赛明星比他所有的竞争对手跑得都快.

It is our responsibility to put them on the right track.

我们有责任帮助他们走上正道.