Pentoxide nitrogen
[医] 硝酸酐, 五氧化二氮
🧩 词语组成解析
n. [化]五氧化物
🗣️ 情景例句
I visited Japan on an observation tour of its industries.
我到日本观摩它的工业。
Rivers need a spring.
大河要有源头。
From an attic window we could get a sweeping view of the river where their land joined ours,
从顶楼窗口看去，我们农场与他们农场接壤处的那段河流一览无余。