restriction是什么意思_(限制性内切酶；限制酶的英文)

变形

复数: restrictions

基本释义

n. 限制规定，限制法规；（受）限制（状态），（受）约束（状态）；制约因素

考试频率

高考

考频：近六年出现3次

un. 限制; 约束

四级

考频：近五年出现4次

un. 限制; 约束

六级

考频：近五年出现1次

un. 限制; 约束

考研

考频：近六年出现4次

un. 限制; 约束

例句

1·Since the costs of science were rising faster than inflation, some restriction on funding was necessary.

既然科学成本上涨快于通货膨胀，资助上的一些限制是必要的。

来源: 《柯林斯英汉双解大词典》
2·Studies of caloric restriction are showing the way.

热量限制的研究为我们指明了方向。
3·Clearly, dropping this restriction would allow the other species to recover.

显然，取消这一限制将使其他物种得以恢复。
4·The biggest restriction on our resources is the number of hours we can devote to something.

我们资源上的最大限制是我们可以投入到某件事情上的时间。
5·Those findings suggest that caloric restriction could delay ageing and increase longevity in humans, too.

这些发现表明，限制热量摄入也可以延缓衰老，延长人类寿命。
6·Researchers have suggested that the regimen is easier than daily calorie restriction, but is it easy enough?

研究人员表示，这套养生法比每日限制热量摄入更容易，但是它足够容易吗？
7·By limiting food intake, caloric restriction minimizes the amount of glucose entering cells and decreases ATP generation.

通过限制食物的摄入，热量限制使进入细胞的葡萄糖量降到最少，并减少 ATP 的产生。
8·This restriction not only contributed to Great Britain's rise as Europe's foremost shipping nation but also laid the foundations for an American shipbuilding industry and merchant marine.

这一限制不仅促成了英国作为欧洲最重要的航运国家的崛起，也为美国的造船业和商船奠定了基础。
9·'Eat' has the selectional restriction that it must be followed by a kind of food, so 'I eat sky' is not possible.

eat一词之后限跟某种食物，所以不可能说I eat sky。

来源: 《牛津词典》
10·The restriction will operate between 6:30 a.m. and 9 p.m. every day.

这条限令在每天早上六点半到下午九点生效。

网络释义

restriction enzyme : 限制性内切酶；限制酶
restriction fragment : 限制酶断片
restriction endonuclease : 限制酶，限制性内切核酸酶
trade restriction : 贸易限制

同义词

n. 限制；约束；束缚

limitation qualification chain constraint

同根词

词根： restrict

restricted adj 受限制的；保密的

restrictive adj 限制的；限制性的；约束的

restrictively adv 限制性地

restrictive n 限制词

restricted v 限制（restrict的过去式和过去分词）

restrict vt 限制；约束；限定