Polysuberic anhydride
[化] 聚辛二酸酐
🧩 词语组成解析
[化] 酸酐; 酐; 某酐\\n[医] 酐, 脱水物
🗣️ 情景例句
What time does he punch out?
他几点打卡下班？
Let the hands get busy, not the mouth.
手要勤劳，嘴莫多说。
Excuse me. Are you a new student?
请问，你是新同学吗？