Some cities have rules governing boat ownership and how and where they can be operated, while others don't. That makes it difficult for sailors to make longer journeys.

有些城市规定了游艇所有权及操作办法，而有些城市则没有这方面的规定，这样水手要准备远行的话，就没办法实现。

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Markus Ribbe, a scientist at the University of California-Irvine, says in a new paper that the enzyme could be further tweaked to make longer carbon chains than those that make up propane.

美国加州大学欧文分校的科学家马库斯•里贝在自己新撰写的文章中介绍说，这种酶可以被进一步修改，届时能转化出比丙烷更长的碳链。

youdao

People no longer need to make firm plans about when and where to meet.

人们不再需要为见面的时间和地点制定明确的计划。

youdao

But he continued to visit the mountaintop where the men were buried, until he could no longer make the climb.

VOA: special.2009.11.24

Whereas in the linear case, I make it ten times bigger, it takes ten times longer to run. OK.

它要占用原来十倍的时间去运行，我一直在说还有一件事情没有讲，这是我要强调的最后一件事。

麻省理工公开课 - 计算机科学及编程导论课程节选

who I'm no longer living in the same area as or use it to kind of make plans with some friends.

联系那些和我不住在一个地方的朋友或用它和一些朋友们定定计划。

用社交网站找到的人 - SpeakingMax英语口语达人

But worries about growth in the short run make nations reluctant to make longer-term moves.

WSJ: G-20 Defers Key Decisions on Aid to Europe

That gives the little strips of steel rigidity, and it also makes it possible for the strips to be overlapped to make longer pieces.

FORBES: Boy toy

YouTube is ready to entice viewers to make longer commitments.

FORBES: YouTube's New Design Wants You To Lean Back