請幫幫我,謝謝(20點)

The condensed residue was added and mixed well with 25 mL water that had been oxygenated by bubbling through it oxygen at 50 °C for 30 min.
好心人請救我,但是我不要用軟體翻譯的哦!因為我用過了,翻起來怪怪的,請幫幫我哦!
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