Oil pollution could damage the fragile ecology of the coral reefs.(石油污染可能破坏珊瑚礁脆弱的生态环境。)
The concept of man versus machine is at least as old as the industrial revolution, but this phenomenon tends to be most acutely felt during economic downturns and fragile recoveries.(“人与机器竞争”这一概念至少与工业革命一样古老了，但在经济衰退期和脆弱的复苏期中，这种现象往往最为明显。)
Coral reefs are one of the most fragile, biologically complex, and diverse marine ecosystems on Earth.(珊瑚礁是地球上最脆弱、生态性最复杂、最多样化的海洋生态系统之一。)
Works of several historians reveal the moral compromises made by the nation's early leaders and the fragile nature of the country's infancy.(几位历史学家的著作揭示了这个国家早期领导人在道德上做出的妥协，以及这个国家初期的脆弱本质。)
He leaned back in his fragile chair.(他向后靠在他那把不结实的椅子上。)
They did not always prioritize the protection of Mauna Kea's fragile ecosystems or its holiness to the islands' inhabitants.(他们并不总是优先考虑保护莫纳克亚脆弱的生态系统，或保护其对岛上居民的神圣地位。)
Because of the extreme cold, the Antarctic is a uniquely fragile environment.(由于极端寒冷，南极州的生态环境尤其脆弱。)
The woman's fragile face broke into a smile.(那面孔秀丽的女子粲然一笑。)
The vase was quite fragile so we had to wrap it in soft material before we send it by post.(这个花瓶很易碎，所以我们在邮寄前必须用软材料把它包起来。)
