英语语法分析

Basilosaurus was undoubtedly a fully marine whale with possibly nonfunctional, or vestigial, hind legs.

龙王鲸无疑是一种完全海生的鲸鱼，它的后腿可能没有功能，或退化了。

Let's now discuss nonfunctional requirements.

现在我们讨论非功能性要求。

Nonfunctional requirements are outside the scope of this article.

非功能性需求超出了本文范畴。