Polynonamethylene resorcinaldiglycolate
[化] 聚间苯二酚缩二羟基乙酸亚壬基酯
🗣️ 情景例句
He devoted his life to promoting world peace.
他一生致力于促进世界和平。
Does this bus go to the train station?
这辆公共汽车去火车站吗？
and comforted by the thought of the help he was bringing to his friend,
想到能对朋友有所帮助，他感到欣慰，