Cold flame
[建] 冷(火)焰
🧩 词语组成解析
cold
[kold]
adj. 寒冷的;冷淡的，无情的;失去知觉的;[艺]有冷感的，冷色的;
n. 寒冷;感冒，伤风;
adv. 完全地;
🗣️ 情景例句
Have you had dinner yet?
你吃晚饭了吗？
Where have you been all this time?
这段时间你跑到哪里去了？
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。