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
Welcome.
欢迎你。
I haven't seen you for age. You haven't been sick, have you?
好久不见。你不是病了吧？
Excuse me!
打扰一下。