介绍:
Vocabulary
carbon footprint
the amount of carbon dioxide or CO2 released into the atmosphere as a result of your everyday activities.
turn down
reject or refuse an offer of something
a precarious situation
a situation where things could become difficult or dangerous
do the right thing
do what is most fair, ethical or just.
gig
live concert played by a music band
the (national) grid
the network supplying electrical power across a country
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