PIN can be low or high grade (as seen here).

PIN的分化级可高可低。

youdao

Making pasta by hand with a rolling pin can be a real chore.

用擀面杖擀意大利面会是个非常枯燥乏味的活儿。

youdao

The structure sizes of inclined guide pin can be decreased effectively by the optimization method.

本文的优化方法可有效地减小斜导柱结构尺寸。

youdao

What does it matter what you say about somebody? It comes up all through his work that you never can pin anyone down.

VOA: standard.2009.12.17

You need to pin down an object of study, a first principle from which other principles can emerge, and part of the process is to say, "Hey, it's not literature we're talking about.

首要原则是，需要锁定要谈论，即学习的目标，可是，谁知道什么是文学。

耶鲁公开课 - 文学理论导论课程节选

So it's not that the result is going to be that I'm going to try to convince you that death isn't bad, but it takes actually a little bit of work to pin down precisely what is it about death that's bad and how can it be death?

所以，这么说,并不是我试图让你相信死亡不是坏事，但是这的确要花点时间来准确地说清楚,什么让死亡成了坏事，和怎样才算死亡？

耶鲁公开课 - 死亡课程节选

But some analysts doubt that Pin can deliver.

CNN: When Guts Are Not Enough

As little as 500 micrograms, the size of the head of a pin, can kill an adult if inhaled or ingested.

NPR: FBI: Arrest Made In Wash. State Ricin Letter Scare

We have also connected to Pininterest where a member can pin an interest into panels, and others with the same interests can follow.

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