The eighty-three kilogram satellite, called Sputnik, had two radios that sent signals as it circled the world.

VOA: special.2009.06.10

They're derived from a precursor called triacylglyceride, which is as glycerol molecule with three fatty acid chains dangling off of it.

它们来源于一种叫三酰甘油的前体,由甘油分子上连接了,三个脂肪酸链构成

耶鲁公开课 - 生物医学工程探索课程节选

Nano hello c We did Nano for hello.c or whatever I called it, GCC to actually compile into 0s and 1, and then step three is to actually run it.

首先，第二，GCC，hello，c把它编译成01二进制文件，第三，运行。

哈佛公开课 - 计算机科学课程节选