Copolymerizing
v. （使）共聚合( copolymerize的现在分词 )
🗣️ 情景例句
Won't it be exciting to see all your college friends there again?
在那里又要见到你的大学朋友 ，难道不兴奋吗
A present!
有礼物！
has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
花了毕生的精力来研究世界各地的活火山和探洞。