Circannian
a. 以一年为一周期的
🗣️ 情景例句
I was really worried.
刚才我真的很担心。
I would like to call a plumber to come this afternoon.
我要叫一个水管工人今天下午来。
It has been found that certain bats emit squeaks and by receiving the echoes,
人们发现，某些蝙蝠能发出尖叫声，