Sothis
n. [天]天狼星
🗣️ 情景例句
It was a pleasure meeting you, too.
我也很高兴碰到你。
I often go to work in the morning.
我常常在早上去工作。
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。