Stercorite
磷钠铵石
🗣️ 情景例句
Everyone is expected to stick to the rules.
每个人都要遵守规则。
Do you have any comments to make on the recent developments.
你对最近事态的发展有什么评论吗？
No one can plead ignorance of a subject any longer, for these are countless do-it-yourself publications.
由于出版了不计其数的教人自己动手做事的书报杂志，没有人再能说对某事一无所知。