These enzymes are used to"snip apart" plasmids at very specific DNA sequences, leaving free ends that can be rejoined as the scientist chooses.

这些酶被用来把特定的DNA序列中的原生质切断，切断后的原生质可以被科学家们自由地重新连接。

youdao

Time Based free trial -give a free trial for X days and start charging once the trial ends.

有时间限制的免费试用——提供给用户一个X天的免费试用期，在试用期结束之后开始收费。

youdao

Even if it is raised “free range, ” it still livesa life of pain and confinement that ends with the butcher’s knife.

即使是“自由放养”的，仍然是过着痛苦、禁闭的生活，最终命丧屠刀。

youdao

So, when the mortgage ends, you're just clear and free; you don't have to pay anything--nothing comes at the end.

因此,抵押贷款正好在到期时全部还清,贷款期末你不再偿还任何金额

耶鲁公开课 - 金融市场课程节选

Looking to shorten the insight cycle, the company promises most customers will begin to see value from using the software before the 30-day free trial ends.

FORBES: Will Data Science Become the New Bottleneck?

The exhibition is free and ends on 20 May.

BBC: Things to do in South Yorkshire

Vice President Suleiman is in charge of a process in representing the Egyptian government to negotiate with those not in government in order to get us on a path toward an orderly transition that ends in a free and fair election.

WHITEHOUSE: Press Briefing