organic compound; central nervous system stimulant
Tone colorsmāmámǎmàma
Meanings
1 sense · 4 examplesnoun
caffeine; organic compound
neutralA stimulant alkaloid naturally found in coffee, tea, cocoa, and other plants. Used medicinally as a central nervous system stimulant and diuretic.
Kā咖
fēi啡
hé和
chá茶
yè叶
zhōng中
dōu都
hán含
yǒu有
kā咖
fēi啡
yīn因
。
Both coffee and tea contain caffeine.
Zhè这
zhǒng种
zhǐ止
tòng痛
yào药
lǐ里
yě也
tiān添
jiā加
le了
shǎo少
liàng量
kā咖
fēi啡
yīn因
。
A small amount of caffeine is also added to this painkiller.
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Kā咖
fēi啡
yīn因
shì是
yī一
zhǒng种
bái白
sè色
yǒu有
guāng光
zé泽
de的
jīng晶
tǐ体
，
wèi味
dào道
kǔ苦
。
Caffeine is a white, shiny crystalline substance with a bitter taste.
Guò过
liàng量
shè摄
rù入
kā咖
fēi啡
yīn因
kě可
néng能
dǎo导
zhì致
xīn心
jì悸
hé和
shī失
mián眠
。
Excessive intake of caffeine may lead to heart palpitations and insomnia.