Macaulay
麦考利(姓氏)
🗣️ 情景例句
What was the weather like yesterday?
昨天的天气怎么样？
Sweep before your own door.
先律己，后律人。
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。