Polyanhydride
[化] 聚酐
🗣️ 情景例句
Look at those funny-looking clowns.
你看那些滑稽的小丑。
Adversity is a good discipline.
苦难是磨练人的好机会。
At that moment, a large black car with four officers inside it, stopped at the camp gates.
正在此时，一辆黑色大轿车在军营门口停了下来。里面坐了4个军官。