Perphosphate
过磷酸盐
🗣️ 情景例句
Please excuse me for a minute.
失陪一会儿。
Boy, you are in a lousy mood!
天啊，你情绪糟糕透了！
The mummy of an Egyptian woman who died in 800 B.C.has just had an operation.
死于公元前800年的一位埃及妇女的木乃伊刚刚接受了一次手术。