I was using shoddy old parts that I got from friends who didn't need them, but I did manage to build a functional computer.

我从朋友那里得到一些他不再使用的零件然后自己组装了一台可以正常使用的电脑。

youdao

The most ancient parts of the continental crust are 4000 million years old.

该大陆地壳最古老的那些部分有40亿年了。

《柯林斯英汉双解大词典》

Power tool maker De Walt partners with companies, such as Lowe's and Napa Auto Parts, to collect old tools at their stores for recycling.

电动工具生产商 De Walt 与包括劳氏公司和纳帕汽车零部件公司在内的几家企业合作，在他们的商店里收集旧工具，并进行回收利用。

youdao

"We discovered this bicycle co-op. You can come in there and just sort through a whole garage of old parts and they'll teach you how to basically build a bicycle from the scraps."

VOA: special.2011.05.20

In many parts of the world it is done when a baby is a few days old.

VOA: special.2009.04.01

Mister Hellsten says to look at parts of the genome of Xenopus tropicalis is to look at structures three hundred sixty million years old.

VOA: special.2010.06.29

There's value to be wrung out of old parts, and old ways of solving problems, he explains.

FORBES: E-Trash Into Cash

Senna, one of the sport's most dynamic drivers, became transfixed with an improvised go-kart made for him as a four-year-old by his father using old parts of an old lawnmower.

CNN: Go-kart crazy: Where F1 dreams begin

Mr. Butterly, a New York City attorney, initially was looking to salvage old parts, such as stairways and fireplaces, from an old home to use in an addition on his 1805 home.

WSJ: Moving Heaven and Earth for a House��WSJ Mansion