billionth

音标发音

• 英式音标 [ˈbɪl.jənθ]
• 美式音标 [ˈbɪl.jənθ]
• 英式发音
• 美式发音

基本解释

• num. 第十亿个
• n. 十亿的（人或物）；十亿分之一
• adj. 第十亿个的
• adv. 第十亿个地

同根派生

英汉例句

双语例句

• A broken networked intelligence may be able to calculate pi to the billionth digit but not forward e-mail to a new address.
  一个有损伤的网络智能也许能计算出圆周率的第十亿个数位，却不能向新地址转发邮件；
• And the researchers say the galactic map depends on a neutrino's mass being no more than 0.28 electron volts, less than a billionth of the mass of an atom of hydrogen, the lightest element.
  研究人员还说，银河系的构成取决于中微子的质量，由此推断出中微子质量的最小上限：不超过0.28电子伏特，该数值还不到一个氢原子质量的十亿分之一。
• As well as being very hot, the ionised gas of the corona (called plasma) has a superthin consistency. It is less than a billionth of the density of the hydrogen that makes up the main ball of the Sun.
  日冕的电离气体（又叫等离子体）不仅非常炙热，而且异常稀薄，其密度还不到组成太阳主体的氢气密度的十亿分之一。

权威例句

• Nano is a prefix (from the Greek word for dwarf) meaning a billionth of something.
  FORBES: Tiny Miracles
• The water droplets themselves can be as small as a nanometre (a billionth of a metre) across.
  ECONOMIST: To make engines cleaner, add H2O
• Broadly speaking, nanotechnology describes work on materials whose critical dimensions are measured in nanometers, or one-billionth of a meter.
  FORBES: The Titan of the Teensy

词组短语

短语

• A Billionth Part 十亿分之一
• Billionth Barrel Monument 十亿桶原油纪念碑;第十亿桶原油纪念碑
• one -billionth 十亿分之一
• billionth of a second 毫微秒
• nnosecond one billionth of second 十亿分之一秒

英英字典

剑桥英英字典

• 1,000,000,000th written as a word
• one of a billion equal parts of something

柯林斯英英字典

• The billionth item in a series is the one you count as number one billion. 10
• A billionth is one of a billion equal parts of something.

专业释义

经济学

• 十亿分之一的