fragile

Please wrap these fragile cups before packing them. ▶

请先把这些易碎的杯子包好，再装箱。

Tourism can threaten fragile ecosystems when large groups visit sensitive habitats without adequate environmental safeguards.

如果大批游客在缺乏充分环保措施的情况下进入敏感栖息地，旅游活动就可能威胁脆弱的生态系统。