Antiknock quality
[机] 抗爆性质, 防震品级
🧩 词语组成解析
n. 抗爆, 抗爆剂\\n[机] 防爆
🗣️ 情景例句
She's on a diet these days.
这些天她在节食。
We've been married for 2 years.
我们结婚两年了。
below 20 per cent, its bactericidal action is negligible.
浓度低于20％时，杀菌能力基本上就不存在了。