Purchases
v. 购买；进货（purchase的第三人称单数形式）
🗣️ 情景例句
Are you sure about that?
你真的这么想吗？
Excuse me for a moment, please.
对不起失陪一下。
may have left an automatic messenger behind to await the possible awakening of an advanced civilization.
很可能会在离开太阳系时留下自动化信息装置，等待先进文明的觉醒。