I used to take diet pills and eat diet food.

我曾经吃过减肥药丸，吃过减肥食品。

Double s how taking diet pills?

双s减肥药怎样服用的？

Then, two S how taking diet pills?

那么，双S减肥药怎样服用的？

I have to take diet pills.

我不得不吃减肥药。

I think, for twos diet pills work?

我想，对于双s减肥药有用吗？