Periapsis
n. [天]近拱点
🗣️ 情景例句
May I ask for a wake-up call tomorrow morning?
明早我可以要求晨叫服务吗？
What's the circulation of this magazine?
这杂志发行量怎么样？
The Moon is likely to become the industrial hub of the Solar System,
月球很可能成为太阳系的工业中心。