adj.深海的，深渊的(尤指3 000至6 000米的洋底)

The depths of the ocean are abyssal, filled with mysterious creatures and geological formations.
海洋的深渊充满了神秘的生物和地质构造。
The scientist descended into the abyssal zone to study deep-sea biology.
科学家深入到了深海深渊区域去研究深海生物学。
The abyssal plains of the Atlantic Ocean cover an enormous expanse of the seafloor.
大西洋的深海平原占据了海底的巨大面积。
The impact of human activities on abyssal ecosystems is still not fully understood.
人类活动对深渊生态系统的影响尚未完全了解。
The pressure at abyssal depths is immense, capable of crushing most living organisms.
深渊处的压力极其巨大，足以压垮大多数生物。
Researchers discovered unique bacterial life thriving in the abyssal sediments.
研究人员在深渊沉积物中发现了独特的细菌生命。
The exploration of abyssal trenches remains one of the greatest challenges for modern oceanography.
深渊海沟的探索仍然是现代海洋学面临的最大挑战之一。
Her fear of the abyssal darkness was so intense that she couldn't even watch horror movies set underwater.
她对深渊黑暗的恐惧如此强烈，以至于连以水下为背景的恐怖电影都不敢看。
The discovery of hydrothermal vents in abyssal regions has revolutionized our understanding of energy sources in the deep sea.
深渊地区热液喷口的发现彻底改变了我们对深海能源来源的认识。
Abyssal fish have adapted to live in the permanent darkness and extreme conditions of their environment.
深渊鱼类已经适应了生活在其环境中永久的黑暗和极端条件。