原文视听

First, he prepares a raw potato by chewing it.
首先 他咀嚼了一个生马铃薯
I was expecting it to be similar to eating raw apple. But...
我期望它尝起来跟生苹果差不多 但...
Dr Martin Wickham Model Gut Project
马丁·维克汉姆博士 模拟内脏计划
It's a bit like...talcum powder.
这有点像滑石粉
First of all, we need to feed our model gut,
首先 我们需要给模拟内脏喂食
exactly the same material that our own stomachs get fed.
模拟食物经咀嚼进入胃中的情景
What we're doing is we're breaking down the food,
我现在所做的 就是嚼碎食物
from these large pieces into smaller pieces.
把食物由大块变小块
Now, in the world's most expensive gut,
现在 在全世界最贵的胃里
enzymes and acids, which naturally occur in our own stomach,
酶和胃酸 这些通常由胃自己产生的东西
will attempt to give the raw potato a workover.
将会为生马铃薯进行一次大检查
After half an hour, Martin examines the result.
半小时后 马丁检查了结果
With the raw potato, what we can see here is
当实验对象是生马铃薯时 我们可以看到
that there's actually been very little mechanical breakdown.
几乎没有发生机械分解[物理分解]

重点解释

I was expecting it to be similar to eating raw apple. But...我期望它尝起来跟生苹果差不多

expect to预期, 期待

The shop expect to make a small profit this year.

这家店铺期望今年能赚点钱。

He seemed to expect to be waited on hand and foot.

他像是想要人尽心尽力伺候他。

similar to跟 ... 类似的； 与 ... 同样的

Their house is similar to ours, but ours has a bigger garden.

他们的房子和我们的差不多，只是我们的花园大些。

A plantain is similar to a banana.

大蕉类似于香蕉。

will attempt to give the raw potato a workover.将会为生马铃薯进行一次大检查

attempt to企图, 努力

I would be the last to attempt to answer the question.

我是最不可能去尝试回答这个问题。

I made no attempt to make friends with her.

我没有打算要和她做朋友。