She laughed to cover up her feeling of awkwardness.

Plastic sheeting is used to cover the soil to prevent loss of moisture.

使用塑料薄膜覆盖，可以防止跑墒。

Ping Xiang City and social customs of a place?

萍乡风土?

We say them when someone hands us a letter, passes us a book, offers us a drink, or lends us an umbrella.

当有人递给我们一封信,递给我们一本书,给我们一杯饮料,或者借给我们一把雨伞时,我们就会这样说。

If you have an umbrella, let me share it with you.

如你有伞，让我们合用吧。

It's not worth bothering with an umbrella ─ the car's just outside.

不必打伞——汽车就停在外面。

'Contact sports' is an umbrella term for a variety of different sports.

“接触式运动”是多种不同体育运动的总称。

Lisa took a step backwards.

莉萨向后退了一步。

He moved a step backward/ backwards.

他向后退了一步。

I took a step towards him

我朝他迈了一步。

Medium color choices are generally furniture pieces such as sofas, dinner tables or bookshelves. Color choices in this range are a step up from the small ones in two major ways ．

中等颜色的选择一般是家具件,如沙发、餐桌或书架。在这一范围内,颜色的选择在两个主要方面都比小的要高出一步。

We have made a step towards success.

我们已向成功迈进一步。

This is a step in the right direction, but we'd like to see the U.S. Sentencing Commission make further changes to the guidelines.

这是朝正确的方向迈出了一步，但我们仍希望看到美国量刑委员会对准则做出进一步的改变。

If you feel stressed by responsibilities at work, you should take a step back and identify those of greater and less importance.

如果你觉得工作中的责任给你带来压力,你应该后退一步,区分重要和不重要的责任。

"So take a step back, switch off the automatic pilot and actually stop and reflect about things like our priorities, our values, and our relationships."

所以退后一步，关掉自动驾驶仪，真正停下来反思我们的重要事务我们的价值观和我们的人际关系等等。

It is our firm conviction that a step forward has been taken

我们坚信已经向前迈进了一步。

Washington would not take such a step without its allies' approval

没有盟国的同意，华盛顿将不会采取这样一种行动。

We now need a step change in our secondary schools to match that achieved in our primaries.

我们现在需要大力改革中学，以便与我们在小学里所取得的成果同步。

The announcement was welcomed as a step in the right direction, but was widely seen as a token gesture

该公告被认为是向正确方向迈进的一步，因而受到欢迎，但也被普遍看作是一种象征性的姿态。

She took a step nearer.

她走近一步。

He took a step towards the door.

他朝门口迈了一步。