年，镉污染引发的“痛痛病”开始出现，到上世纪50 年代蔓延到全日本。

In 1931, the cadmium pollution caused by the "Itai Itai disease" began to appear, to the 50's of last century and spread all over japan.

youdao

年，镉污染引发的“痛痛病”开始出现，到上世纪50 年代蔓延到全日本。

In 1931, the cadmium pollution caused by the "Itai Itai disease" began to appear, to the 50's of last century and spread all over japan.

youdao