Zd
n. 天顶距（zenith distance）；零色散（Zero Dispersion）
🗣️ 情景例句
I thought so, too.
我也这样想。
What is lost in the hundred will be found in the shire.
在区里失去的可在州里找回来。
The sea bed was scoured with powerful nets and there was tremendous excitement on board went a chest was raised from the bottom.
他们用结实的网把海床搜索了一遍。