Alkali
[ 'ælkəlai ]
第5级
其它 Other
n. 碱;
📝 例句
Such detergents do not yellow the wool as alkali tends to do.
这种洗涤剂不会象碱那样使羊毛发黄。
caustic alkali [soda]
苛性碱 [钠]
The free alkali metals react immediately with water to liberate hydrogen.
游离的碱金属直接和水中作用，放出氢气。
Cyclization occurs readily with dilute alkali.
遇到稀碱就容易环化。
All the alkali metals have a single s-electron outside a closed shell.
所有的碱金属都在闭合壳层之外有一单个S电子。
🌱 联想助记
【记】※ a-似“小姑娘”,lka-拼音“路卡”,li-拼音“里”:一张绿卡里有碱
※ al-all所有,ka-拼音“卡”,li-拼音“里”:如果在实验室里把碱弄得到处都是,所有人都想卡你脖子痛贬你
✅ 同义词
📖 牛津释义
alkali
n[C, U]
(chemistry 化) any of a class of substances (eg caustic soda and ammonia) that neutralize acids and form caustic or corrosive solutions in water 硷. Cf 参看 acid1 1.
🏥 医学释义
碱，强碱
📖 同为「专八」词汇
查看全部专八词汇 ›🗣️ 情景例句
The policemen could not cope with the crowds.
警察不能对付群众。
He has a bowl of soup.
他有一碗汤。
When a servant opened the door to fetch some wood, I spoke to her and persuaded her to let me in.
一个仆人开门取柴火时，我和她说话，并说服她让我进去。