如何使用 "restriction" 造句

1. Enticing research also comes from studies of caloric restriction .
诱人的研究也来自热量限制的研究。
2. Secret ballot enables the voters to express their free will on the candidates without any restriction .
秘密投票使得全民可以不受任何约束,自由表达自己的选举意志。
3. This is the biggest restriction I found .
我发现这是最大的限制条款。
4. That restriction was lifted six months ago .
这一限制于6个月前解除。
5. There 's not even an age restriction .
甚至连年龄限制都还没有。