sè
铯
cesium; caesium (Cs)
Tone colorsmāmámǎmàma
Meanings
1 sense · 4 examplesnoun
cesium; caesium (Cs); a soft, silvery-white alkali metal
technicalA highly reactive alkali metal (atomic number 55) that ignites spontaneously in air and explodes upon contact with water. Widely used in atomic clocks due to the precise frequency of its electron transitions.
Sè铯
shì是
yī一
zhǒng种
huà化
xué学
xìng性
zhì质
jí极
wéi为
huó活
pō泼
de的
jiǎn碱
jīn金
shǔ属
。
Cesium is an alkali metal with extremely active chemical properties.
Sè铯
yuán原
zǐ子
zhōng钟
shì是
mù目
qián前
zuì最
jīng精
què确
de的
shí时
jiān间
cè测
liáng量
yí仪
qì器
。
The cesium atomic clock is currently the most precise instrument for measuring time.
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Sè铯
yù遇
shuǐ水
huì会
fā发
shēng生
bào爆
zhà炸
xìng性
fǎn反
yìng应
。
Cesium undergoes an explosive reaction when it comes into contact with water.
Zhè这
zhǒng种
guāng光
diàn电
chí池
cǎi采
yòng用
le了
sè铯
yuán元
sù素
zuò作
wéi为
gǎn感
guāng光
cái材
liào料
。
This photocell uses cesium as the photosensitive material.