turn green

As if by magic, his face turned green.

他的脸一下子变青。

The white mixture of starting materials turns green after milling, indicating the formation of polyaniline in its doped emeraldine oxidation state.

的初始材料混合物在球磨后变成绿，这表明，混合物在杂苯胺绿氧化状态下形成聚苯胺。