Copolymerized
v. （使）共聚合( copolymerize的过去式和过去分词 )
🗣️ 情景例句
Where do you like to live, in the city or in the country?
你喜欢住在城市还是乡村？
You must have enjoyed yourself.
你一定玩的很开心。
Speculations about is nature have been going on for literally thousands of years,
人们对睡眠作用的种种猜测，确实有数千年之久。