Right, the moment of truth,
好了 真话时间到
in which I discovered just how much weight I have lost.
我称出了自己减了多少斤
These are a special type of scales
这种称重仪很特殊
which are going to measure my weight accurately,
它能精确量出我的体重
but also, apparently, my body fat.
以及我的体脂含量
Hey! That is fantastic!
瞧 太棒了
That is 173.8lb, which means I have lost well over a stone.
我现在79公斤 意味着我减了6公斤多
My body fat when we did it before was 27%,
之前我体内的脂肪含量是27
and now it's below 20.
现在已经不到20%
That is really, really pleasing.
这真的让我十分开心
I feel good, and my family say I look slimmer.
我感觉很好 家人也说我更苗条了
It really hasn't been that difficult,
并且执行起来没那么难
and I'm delighted that I'm no longer in the overweight category.
很高兴我不再超重了
But what I really want to know is what's changed inside my body.
但我更想知道 我的体内发生了哪些变化
Professor Luigi Fontana is about to call with my final results.
路易吉·冯坦纳教授即将告诉我最后的结果

重点解释：

1.no longer 不再

例句：These conditions no longer obtain.
这些条件已不复存在了。

2.about to 即将； 刚要

例句：A new book is about to be brought out.
一本新书即将出版。