Nitroamine
硝胺
🗣️ 情景例句
I was when I first came to the United States.
当我刚到美国来的时候是感到有点紧张。
This nation is noted for its economic stability.
这个国家以它的经济的稳定性闻名。
There were coins everywhere.We looked for them, but we could not find them all.
到处都是硬币。我们虽然找了，但没有把它们全部找到。