So I want to find out why alcohol has such strong effects.因此， 我想知道为什么酒有如此魔力

find out 发现；找出来；揭发

Let's find out.

我们去问一下吧。

Jill will find out your secret she never misses a trick!

吉尔会发现你的秘密的－－她很警觉！

In this film I'm going to explore what science is saying about alcohol by far the most widely-used drug.在此片中，我将探寻酒，这种迄今为止使用最广的成瘾品，用科学观点解释人们对其的依赖

say about谈及

He doesn't give two pins for what the critics say about his work.

他毫不在乎别人对他作品的批评。

I do not care what you will say about me.

我不在乎你们会说我什么。

by far到目前为止；显然，明显地；最，极高

It is quicker by far to go by train.

乘火车要快得多。

I've seen some slow workers in my time but this lot are the slowest by far.

我以前倒也见过一些笨工人，但是这群人可算是最笨的了。