A2 a liquid obtained from petroleum, used especially as a fuel for cars and other vehicles:
lead-free/unleaded/high-octane petrol
(petrol在剑桥高级学习词典和同义词词典的解释 ©剑桥大学出版社)
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by Liz Walter,
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civil rights
the rights that each person has in a society, whatever their race, sex, or religion