Tetraphosphorus heptasulfide
[化] 七硫化四磷
🧩 词语组成解析
七硫化物
🗣️ 情景例句
The plan is a simple one.
计划很简单。
Do you have a passport?
你有护照吗？
The children wake up very early, and can't wait to open the presents in their stockings.
孩子们醒得很早，迫不及待地打开袜子里的礼物。