Meaning of jí:
jí
吉
Noun
surname Ji; abbr. for Jilin 吉林省[Ji2lin2 Sheng3]
Wǒmen bān shàng yǒu yī gè tóngxué xìng Jí.
我们班上有一个同学姓吉。
There is a classmate in our class whose surname is Ji.
Wǒ zuìjìn qù le yī cì Jílín shěng.
我最近去了一次吉林省。
I recently took a trip to Jilin Province.
Adjective
lucky
Jīntiān zhēn shì gè jí rì.
今天真是个吉日。
Today is truly a lucky day.
Prefixe
giga- (meaning billion or 10^9)
Tiānwénxuéjiā shǐyòng jíhèzī lái cèliáng xīngtǐ fāchū de wúxiàndiànbō.
天文学家使用吉赫兹来测量星体发出的无线电波。
Astronomers use gigahertz to measure the radio waves emitted by celestial bodies.
