Lichenometric
a. 根据地衣测量年代法的
🗣️ 情景例句
Yes, but the number's no longer in service.
打过，但那个号码是空号。
How long will the sale last?
折价销售多久？
When they had all made themselves comfortable, a stranger appeared.
当他们都已安排舒适时，一个陌生人出现了。