以上内容由AI生成, 仅供参考和借鉴

1. He did not get a chance to deepen his knowledge of Poland.

他没有机会更深入地了解波兰。

2. When you are ready to finish the exercise, gradually deepen your breathing.

准备结束练习时，要慢慢地深呼吸。

3. The music room had been made to reflect and deepen sounds.

这间音乐室经过特殊设计处理，能够反射声音，使声音变得低沉厚重。

4. A long drawn out war would likely deepen and prolong the recession.

一场旷日持久的战争很可能会使衰退程度加剧，时间延长。

5. He heard her breathing deepen.

他听到她的呼吸变深了。