5,000 people live in the world's first ever eco-friendly district,in Freiburg, Germany.

五千人住在地球上首个生态友好区, 它位于德国弗赖堡。

Frontier Areas of Psychology and  Mental Health in Freiburg, Germany.

德国弗莱堡的心理学和心理健康前沿领域。

But the greatest example of thioacetone's silent-but-deadly strength comes from the German city of Freiburg where in 1889, chemists at a soap factory were, reportedly, working on a larger molecule known as tri-thioacetone, which is used as a flavoring and a fragrance.

关于丙硫酮沉默却要命的力量，最佳例子来自德国弗莱堡市，那是1889年，据记载一家肥皂厂的化学人员正研究一种叫做“三聚硫酮”的大分子，以作为调料和香味剂。