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krypton
核心詞議：

速記方法
速記技巧 詞源詞根法 來自希臘語krypton，隱藏的，詞源同crypt，cryptic，grotto.因這種惰性氣體元素難于發(fā)現(xiàn)而得名。比較dysprosium.

知識擴(kuò)展


中文詞源： krypton 氪 來自希臘語krypton,隱藏的，詞源同crypt,cryptic,grotto.因這種惰性氣體元素難于發(fā)現(xiàn)而得名。比較dysprosium. krypton
精選例句

常見考點(diǎn)例句：

The nineteen thirties also gave us a superhero who came to earth from the planet krypton .

在二十世紀(jì)三十年代還出現(xiàn)了一位超級英雄，他從氪星來到了我們的地球上。

First , a range of less-dangerous gases are liberated , including tritium , krypton and xenon .

首先會(huì)釋放一系列危險(xiǎn)性較低的氣體，如氚、氪和氙。

Superman you see has just returned to earth after a five-year absence spent searching for his lost homeworld krypton .

而超人呢，他剛回到地球，之前他花了5年時(shí)間去尋找他失落的故園氪星。

In particular , the researchers were studying the isotope ratios -- or the comparative abundances of the different forms of a particular element -- of the gaseous elements krypton and xenon .

特別一提，研究人員對其同位素含量進(jìn)行了分析：即特殊元素的不同形式氪和氙在氣體中所含的相對豐度。

Weiss had to distill , heat and pass the air samples over adsorbents to remove gases such as carbon dioxide and krypton that could foul the extremely sensitive detector .

維斯必須蒸餾、加熱并使空氣樣品通過吸附劑，以除去二氧化碳和氪等會(huì)污染極靈敏的探測器的氣體。