Apparitions
n. 特异景象( apparition的复数形式 ); 幽灵; 鬼; （特异景象等的）出现
🗣️ 情景例句
Don't mention it. What would you like to drink?
别客气，想喝点什么？
He likes playing hide and seek.
他喜欢玩捉迷藏。
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。