英语语法分析

Porcupines use their spines to protect themselves.

豪猪用身上的刺毛来自卫。

《牛津词典》

Depending on the business requirements, messages may or may not require encryption (porcupines and opossums).

取决于业务需求，消息可能需要也可能不需要加密(好比豪猪和负鼠)。

Now the World of Darkness, the exhibit inhabited by the porcupines, bats and night monkeys, has been ordered to close.

现在，居住着豪猪、蝙蝠以及夜猴的“黑暗世界”展馆已被下令关闭。