n. 范围；极限（limit 的复数）；领土
v. 限制；削减（limit 的第三人称单数）
within limits适当地；在一定范围内；有限度地
within the limits of在…范围内
1.A one-mile area around the wreck is still off limits.
沉船周围一英里的地区仍然禁止入内。
2.The lack of work opportunities in Bucks County limits how much she can help.
巴克斯县缺少工作机会，这限制了她能提供的帮助。
3.I know that you have to read reserve books in the library and that you have time limits.
我知道你必须阅读图书馆的预约书籍，而且这有时间限制。
4.The site is off-limits to the general public.
这个场所不对公众开放。
5.Improvement won't come easily, it won't come overnight and there are limits beyond which not even science can take us.
改进不会一蹴而就，也不会一夜之间就发生，而且即使是科学也有无法超越的限制。
6.Low Till Farming limits the use of plows.
低耕农业限制了犁的使用。
7.The environment tested them to the limits: sometimes the colonists were successful, sometimes they failed and vanished.
环境对他们的考验达到了极限：有时殖民者成功了，有时他们失败了，然后消失了。