Mononitration
一硝基化
🗣️ 情景例句
Yes.
是的。
Who is to blame?
该怪谁？
What a relief it was when the boulders suddenly disappeared, giving way to a stretch of plain where the only obstacles were clumps of bushes.
突然大石块不见了，前面是一片平地，唯一的障碍只有一簇簇灌木丛。这使我们长长地松了口气。