Zd
n. 天顶距（zenith distance）；零色散（Zero Dispersion）
🗣️ 情景例句
The reviews of this show
与这次展览有关的评论
There aren't any other worms for me to play with. I'm the only worm here.
此地没有和我玩的虫虫。这里只有我一条而已。
The tree must be put in the hole now.
现在把树放入坑里。