以南果梨为试材，研究了不同时期套袋对梨果皮色素的影响。

The influence of bagging on the peel pigment is tested with "Nanguoli" pear as material.

youdao

以南瓜果肉为试材，研究乙醇浸提法提取胡芦巴碱工艺条件。

In this study, alcohol was used to extract trigonelline from pumpkin flesh.

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以河南产烤烟为试材，研究了烤烟烟叶成熟度与香气质量关系。

The relationship between maturity and aroma quality was studied using flue-cured tobacco leaves in Henan.

youdao

And as you might expect, I'm going to then try and see if I can convert that into a float.

正如你希望的我要试着把他们转化为浮点数,等一等。

麻省理工公开课 - 计算机科学及编程导论课程节选

If I do this, try and get the 10th element of a list that's only eight long. I get what looks like an error, but it's actually throwing an exception.

如果我来这么做,试着去取长度为8的列表的第十个元素,我貌似能得到一个错误。

麻省理工公开课 - 计算机科学及编程导论课程节选

The way he described is when you try to get down a quantum dimensions and you are standing there with your camera, just remember the sun is at your back and your shadow is always in the picture.

这种方法被他描述为,当你试着处理一个量子尺寸时,并且你试着拿着你的相机在那，记住太阳在你的背后,而你的影子总是在照片上。

麻省理工公开课 - 固态化学导论课程节选