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
But personally I believe a business letter should end with Very truly yours, not Sincerely.
还行，乔治。但是我个人相信一封商业信函应该以“敬上”结尾，而不是“谨启”。
Save a thief from gallows and he will help hang you.
放虎归山。
He looked very angry.
他看上去非常气愤。