Perstans
[医] 永存的, 久存的
🗣️ 情景例句
Ask-Bob-to sit-behind-me.
让鲍伯坐在我后面。
I think we can draw up a tentative plan now.
我认为现在可以先草拟一具临时方案。
The children were at school, my husband was at work and the house was quiet.
孩子们在上学，我丈夫在上班，家里清静得很。