Arofene
纯酚醛树脂, 甲醛、间苯二酚聚合物
🗣️ 情景例句
Good evening, how may I help you sir?
晚上好，你需要帮助吗？
Catch the bear before you sell his skin.
大事未成时，莫开庆功宴。
'What has happened?' she asked.
“发生了什么事？”她问，