原文视听

Yartsa gunbu has been used as a traditional remedy for thousands of years,
冬虫夏草被用作传统药物已经上千年
though only by the very wealthy.
但仅限于非常富有的人群
It has been bartered for tea and silk,
它被用来交换茶叶和丝绸
and is worth more than four times its weight in silver.
可以换回超过本身四倍重量的银子
So lucrative is this trade,that sites and information are jealously guarded.
这项贸易是如此的暴利使得它的交易地点和信息都被谨慎地保护起来
At the nearby market,the yartsa gunbu are cleaned,
在附近的集市上冬虫夏草被清理干净
and their true nature becomes clear.
这使得它的本来面目显露了出来
The yartsa gunbu translates as "summer grass,winter worm".
冬虫夏草被翻译为“冬天的虫子夏天的草”
The winter worm is a caterpillar.
冬虫是一种毛虫
It eats roots of grasses
它以草根为食
in preparation for its transformation into a moth.
为自己变身成蛾做准备。
But some winter worms never make it as moths.
但有些冬虫却从没有机会变成蛾
Instead,a strange growth erupts from their body,
而在夏季一个奇怪的植物
appearing above ground in summer.
在冬虫的体内生长发育直至破土而出
This is the "summer grass",
这就是“夏草”
a fungus called Cordyceps,whose spores have infected the caterpillar,
一种被称为虫草的真菌是它的孢子侵入了毛虫体内
using its body as their host.
并将毛虫的身体作为它们的宿主
Modern scientific tests have shown that substances contained
现代科学实验证明含有冬虫夏草的物质可以
in Cordyceps lower blood pressure and make it easier to breathe.
降低血压并能使呼吸更顺畅
So in recent years,harvesting this natural treasure
所以近些年来收获这种自然资源
has grown into a huge and profitable business.
已经成为有巨大利益的生意

重点解释

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.