Pebblestone
n. 小卵石
🗣️ 情景例句
when the dog scratched on the front door.
当那狗在抓前门时。
There are no birds of this year in last year's nests.
事过境迁。
But it's going to be a very tiring five years for me.
不过对我来说，这将是非常累人的五年。