Polybasic acid
[化] 多元酸
🧩 词语组成解析
a. 多元的, 多碱价的\\n[化] 多碱的; 多碱价的; 多元的; 多代的
🗣️ 情景例句
And the marketing of new toys and games.
还有新玩具和新游戏器具的行销。
He is attending a morning intensive course four hours a day, six days a week.
他每周六早晨都上一门4小时的速成课。
but the fire fighters were eventually able to free him by cutting a huge hole in the wall.
消防队员在墙上挖了个大洞，才终于把他解救出来。