All animals have protective immune systems.

所有动物都有保护性免疫系统。

In Cleveland's first administration they did attack the protective system in the House, where they had a majority, and in this they were vigorously supported by the President.

在克利夫兰的第一届政府中， 他们确实攻击了众议院的保护系统，他们在众议院拥有多数席位， 在这一点上他们得到了总统的大力支持。