1. The sound of hollowing echoed through the empty cave.
空洞的回声在空洞的洞穴中回响。

2. The hollowness in her voice betrayed her true emotions.
她声音中的空洞暴露了她真实的情感。

3. The hollowing out of the tree trunk made it susceptible to collapse.
树干的空洞使其容易倒塌。

4. The hollowing of the pumpkin made it perfect for carving.
将南瓜挖空使其更适合雕刻。

5. The process of hollowing out the log took hours of hard work.
挖空木头的过程需要数小时的辛苦工作。

6. The hollowing out of the rock formation created a natural shelter.
岩石形成的空洞创造了一个天然的避难所。