Alkali fastness
[化] 耐碱牢度; 耐碱色牢度; 抗碱坚牢度
🧩 词语组成解析
alkali
['ælkəlai]
n. 碱;
fastness
[['fɑ:stnis]]
n. 要塞, 巩固, 迅速\\n[医] 抗拒性
🗣️ 情景例句
Absolutely not.
绝对不必。
How many pieces are you going to buy?
你要买几个？
I have some difficulty in pronouncing some of the words in English.
我有些英语单词发音不好。