Poly(oxyphenylene sulfone)
[化] 聚苯醚砜
🗣️ 情景例句
Leave nothing to chance.
做任何事情都要有把握。
Perhaps I can sneak out of the classroom unnoticed.
也许我可以神不知鬼不觉地溜进教室。
He had been obliged to join the army during the Second World War.
年龄比他两个弟弟大很多，第二次世界大战期间被迫参军。