Librating
vt. 摆动；平均
🗣️ 情景例句
Where was that?
在什么地方？
What are your interests?
你的爱好是什么？
Though a number of descents have been made, much of it still remains to be explored.
人们多次进入洞内探险，但至今尚有不少东西有待勘探。