potassium
英 [p?'t?s??m]
美[p?'t?s??m]
- n. [化學] 鉀
低頻詞暢通詞匯
中文詞源
potassium 鉀
來自potash,鉀堿，-um,化學元素。
英文詞源
- potassium (n.)
- metallic element, 1807, coined by English chemist Sir Humphrey Davy (1778-1829) from Modern Latin potassa, Latinized form of potash (q.v.). Davy first isolated it from potash. Symbol K is from Latin kalium "potash," from Arabic al-qaliy "the ashes, burnt ashes" (see alkali).
雙語例句
- 1. These chemicals modulate the effect of potassium.
- 這些化學物質(zhì)可以調(diào)節(jié)鉀的功效。
來自柯林斯例句
- 2. Fruits, vegetables, and wholegrains are rich in potassium.
- 水果、蔬菜和全谷物富含鉀元素。
來自柯林斯例句
- 3. No potassium did we find in this mineral.
- 在這種礦石中我們沒有發(fā)現(xiàn)鉀.
來自《簡明英漢詞典》
- 4. The potassium content of foodstuffs is very variable.
- 食物中鉀的含量差別很大。
來自辭典例句
- 5. Gunpowder is composed of sulfur, carbon, and potassium nitrate.
- 火藥是由硫 、 碳和硝酸鉀組成.
來自辭典例句