When it comes to Li Na, most people will call her sister Na, it sounds friendly.

当谈到李娜的时候，大部分人会称她为娜姐，这听起来很友好。

youdao

This is denuded of an electron, it is Na plus.

这边是裸电子的，是钠正离子。

麻省理工公开课 - 固态化学导论课程节选

DNA goes to RNA, goes to protein, that's it, and that is the way it happens in simple organisms like bacteria.

NA转录成RNA接着翻译成蛋白质,仅此而已,而这仅是细菌那样的简单有机体中的机制

耶鲁公开课 - 生物医学工程探索课程节选

DNA is a double helix, you know this, the double helix was--the structure of DNA was discovered about the time that I was born you've always lived with it.

NA是双螺旋结构,众所周知,DNA的这种双螺旋结构,是在我出生的那个年代才被发现的,它就是你生命的一部分

耶鲁公开课 - 生物医学工程探索课程节选

American Kevin Na could have made it a three-way tie-off, but missed an eight foot birdie putt on the last and finished third on 271 while former USPGA champion David Toms and James Nitties were tied for fourth another stroke away.

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When the Na'vi tread through it, the ground lights up beneath their feet (I kept waiting for someone to break into a chorus of "Billie Jean").

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"I deserve it, " Na said of the booing.

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