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pron.某些；某几个
n.(Certain)人名；(葡)塞尔塔因；(法)塞尔坦
adj.某一；必然的；确信；无疑的；有把握的
1、curtain───n.幕；窗帘；vt.遮蔽；装上门帘
2、certainty───n.必然；确实；确实的事情
3、pertain───v.适合；关于；适用；从属，归属；（在特定的时间或地点）生效，存在
4、ascertain───vt.确定；查明；探知
5、certainly───adv.当然；行（用于回答）；必定
6、bestain───贝斯坦
7、uncertain───adj.无把握的；多变的；不确定的；信心不足的；靠不住的
8、curtains───窗帘（curtain的复数）；becurtainsforsb，对某人而言是灾难
9、pertains───关于；从属；适合
1、you absolutely certain about this?───你对这事绝对确信无疑吗？
2、A PHP function that can output how much a user would need to donate to get a certain amount of GD.───一个PHP函数，可以输出多少用户需要获得捐赠一定数额的GD。
3、Certain people might disagree with this.───某些人对这事可能不会赞同。
4、That's true, to a certain extent.───在一定程度上的确如此。
5、The only way of avoiding this problem would be if, for some reason, the stars did not shine before a certain time.───唯一避免这种问题的办法是，因为某些原因，星体在一端时间以前是不发光的。
6、Nutritional deficiencies do seem to be the cause of certain cases of low testosterone.───营养不良看来确实是导致某些病例Gao丸激素偏低的原因。
7、Well, not until a certain git by the name of Lockhart took over as Defence Against the Dark Arts teacher, at any rate.───呵呵，直到有天有个叫洛哈特的饭桶当了黑魔法防御术老师，情况就不同啦。
8、As the modern logistics develops to a certain stage, Logistics Park is beginning to be produced.───物流园区是现代物流发展到一定阶段的产物。
9、This overseas experience can be extended by up to a year, allowing students to complete an MBA at certain academic partners.───海外经历可以延长至一年，允许学生在学术伙伴处完成工商管理硕士学位。
1、Nothing is certain but death and taxes.
2、Nothing so certain [sure] as death.
3、Certain problems were apparent from the outset.
4、I agree with you to a certain degree.
5、People on parole must follow certain rules.
6、Certain characteristics can be developed through selective breeding.
7、Certain varieties cannot be fertilised with their own pollen.
8、Some students are exempt from certain exams.
9、Non-white people are effectively excluded from certain jobs.