Aerodux
酚醛树脂粘合剂, 甲醛间苯二酚聚合物
🗣️ 情景例句
Better than that.
比那种事更值得高兴。
He that gains well and spends well needs no account book.
收支正当，无须记帐。
Jim, how long have you been at this school?
吉姆，你到这学校有多么时间了？