Hi. I'm Tim and this is my pronunciation workshop. Here, I'm going to show you how English is really spoken. Come on, let's go inside. You see this? This is my lunch - well, either that, or it's some ...

Hi. I'm Tim and this is my Pronunciation workshop. Here I'm going to show you how English is really spoken. Come on, let's go inside. This week, I’m going to need some help from my favourite twin.

Heavy metals are harmful environmental pollutants that have attracted widespread attention due to their health hazards to human cardiovascular disease. Heavy metals, including lead, cadmium, mercury, ...