Phosphorus pentoxide
[化] 五氧化二磷
🧩 词语组成解析
phosphorus
['fɔsfərəs]
n. [化]磷;磷光体;
n. [化]五氧化物
🗣️ 情景例句
It's time we hired a secretary to answer the phones.
我们早就该请一个秘书接听电话了。
I told him to stay till he calls.
我告诉他留下来等他打电话来。
Sorry, Mr. Wu. I was not here yesterday.
对不起，吴先生。我昨天没有来。