This piece of paradise has been our artificial sweat, like a long process of convergence of the stream of our growth.

这片乐土中曾挥洒过我们的汗水，像一条长河汇聚着我们成长的小溪。

youdao

However, when the researchers performed a variation of this test, in which the earrings were exposed to artificial sweat for up to a week, nine of the 66 pieces of jewellery tested positive.

BBC: Earring