Question

what is the meaning of the word releases as it is used in paragraph 3? brings back moves into lets go of happens after its strange but true: some jellyfish can be a source of electricity. jellyfish that glow in the dark produce a chemical called green fluorescent protein, or gfp. scientists have found that when gfp is exposed to ultraviolet light, it releases electrons that can generate electricity. in addition, scientists have used gfp to make biological fuel cells that arent dependent on an external source of ultraviolet light to work. these tiny fuel cells could power tiny medical devices, such as pacemakers, that doctors implant in patients bodies to diagnose

Explanation:

在句子“it releases electrons that can generate electricity”中，“releases”表示“释放”。“lets go of”有“释放、放开”的意思，与“releases”意思相近。“brings back”是“带回”；“moves into”是“移入”；“happens after”是“在……之后发生”，均不符合语境。

Answer:

lets go of