Electrons from water involved in non cyclic photophosphorylation are used to reduce the added substance.

非循环光合磷酸化中由水提供的电子被用来还原产物。

youdao

He added earwax or cerumen was a normal substance the body produces to clean, protect and 'oil' ears.

他补充说道，耳屎是人体产生的一种正常物质，它能够清理、保护和“油润”耳朵。

youdao

This fishy taste diminished, on the other hand, when the researchers added a substance that binds up iron.

另一方面，当研究者加入一种能凝固铁的物质后，鱼腥味减轻了。

youdao

Some people believe that Sarah studied the hair product she used and added her own "secret" substance.

VOA: special.2010.03.28

The International Maritime Organisation (IMO) said it would consider changing the classification of a substance, but added it was "only a facilitator".

BBC: Richard Drax MP to question government over bird pollutant

"My view is that I focus less on sound bites and more on substance, " he added.

WSJ: Candidates Skirt a Political Circus

They are working with the Farmwatch scheme in the Test Valley to introduce a liquid substance which can be added to fuel to "chemically tag" it.

BBC: Heating oil 'tagged' to tackle rural theft in Hampshire