The brain is a seemingly endless library, whose shelves house our most precious memories as well as our lifetime's knowledge.

出自-2017年6月阅读原文

It keeps our most precious memories until life's end.

出自-2017年6月阅读原文

Contemporary artists have followed this tradition to create eggs that speak to the anxieties of our age: Life is precious, and delicate.

出自-2017年6月阅读原文

In college, time is scarce, and consequently, very precious.

出自-2016年12月听力原文

Genuine criticism creates a precious opening for an author to become better on his own terms—a process that is often extremely painful, but also almost always meaningful.

出自-2015年12月阅读原文

Bringing back unneeded equipment would have used up precious resources such as fuel.

2018年12月四级真题（第二套）听力 Section C

Certainly, you don't want to waste your precious hours on following the developments in a disorderly fashion, and miss important deadlines, confuse interview times or forget to follow up as a result.

2018年6月四级真题（第一套）听力 Section C

Genuine criticism creates a precious opening for an author to become better on his own terms— a process that is often extremely painful, but also almost always meaningful.

2015年12月四级真题（第二套）阅读 Section B

Just lengthening that second stage of full-time work may secure the financial assets needed for a 100-year life, but such persistent work will inevitably exhaust precious intangible assets such as productive skills, vitality, happiness, and friendship.

2019年6月四级真题（第一套）阅读 Section B

Wasting food means losing not only life-supporting nutrition but also precious resources, including land, water and energy.

出自-2013年12月阅读原文

Time has become more precious

出自-2014年6月听力原文

Once purchased and trained, this would allow the casual user to save money and time, freeing up precious space in our busy lives to read a good book.

2018年6月六级真题（第三套）阅读 Section A

Some of our all too precious time is being stolen.

2019年12月六级真题（第二套）听力 Section C

A Swiss study reported that while the weight of electronic goods represented by precious metals was relatively small in comParison to total waste, the concentration of gold and other precious metals was higher in so-called e-waste than in nature.

2015年高考英语江苏卷 阅读理解 阅读B 原文

Collection consists of masterworks in sculpture, colored glass, and precious objects from Europe dating from about the 9th to the 15th century.

2018年高考英语江苏卷 阅读理解 阅读A 原文

However, the two zookeepers didn't want to see the extinction of this precious species.

2019年高考英语江苏卷 完形填空 原文

Natural minerals contain more precious metals.

2015年高考英语江苏卷 阅读理解 阅读B 选项

The percentage of precious metals is heavy in e-waste.

2015年高考英语江苏卷 阅读理解 阅读B 选项

When the war was near, Alia was worried that the fires of war would destroy the books, which are more precious to her than mountain of gold.

2017年高考英语浙江卷（6月） 完形填空 原文