Egretta garzetta
白鹭
🗣️ 情景例句
Did she say why she had to leave today?
她说了她为什么今天非走不可吗？
Tis a good horse that never stumbles.
好马不失蹄。
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。