wedge seal

例句：

1. 1. The wedge seal is a type of seal that lives in the Arctic Ocean.
   楔形密封是一种生活在北极海的生物。
2. 2.The wedge seal is a protected species and must be handled with care.
   楔形密封是一种受保护的物种，需要小心处理。
3. 3. The wedge seal is known for its unique ability to live in extreme cold temperatures.
   楔形密封以其在极端寒冷温度下生存的独特能力而闻名。