- 重点词汇
- 洞穴
cave; cavern; hole; earth; den; hollow; grotto; chamber; burrow; lair
- 深处
depth; the bowels; deep; profound
- 完整
complete; intact; whole; full; unbroken; consummate; work up into; completeness; unity; integrity; wholeness
- 拍摄
shoot; film; record; photograph; take pictures; capture images; shooting; photography
- 揭秘
reveal secrets; uncover; disclose; expose; unveil; unmask; bring to light