Cavitary
腔的, 空洞的
🗣️ 情景例句
without studying these building plans more carefully.
在没有仔细研究这些建筑图的情况下。
Who is speaking?I don't recognize your voice.
阁下是那一位？我听不出你的声音。
You're very eloquent.
你看上去真精神。