妙语佳句:

原句:Yartsa gunbu has been used as a traditional remedy for thousands of years,though only by the very wealthy.

the wealthy:富有的人

the后面加形容词常用来特指某一群人，比如说the old,老人，the young青年们等。

The wealthy should return more to the society.

富人应该更多的回报社会.

原句:It has been bartered for tea and silk.

barter for:物物交换

They used to barter for horses with salt.

他们过去以食盐交换马匹。

They arrived with new barter for the islanders.

他们带著给那岛民们的新交易品。

原句:Modern scientific tests have shown that substances contained in Cordyceps lower blood pressure and make it easier to breathe.

contain:容纳, 包含(所涉及的物体常常是其组成部分或内容。强调包容关系。既可指具体有形的东西，也可指抽象无形的东西。)

Try to contain your anger!

设法抑制你的怒火！

This book contains all the information you need.

这本书包含你所需的一切资料。

考考你:

冬虫夏草被用作传统药物已经上千年。

它被用来交换茶叶和丝绸。

上期答案:

The yak is in its element at altitude.

But without this fearsome creature it's unlikely that humans would have survived up here.

The yak has even led the Tibetans to buried treasure.