Nitration
n. 用硝酸处理, 硝化, 硝基置换\\n[化] 硝化; 硝化作用
🗣️ 情景例句
What is the most important thing for you to be happy?
你认为对你来说开心最重要的是什么？
How many years have you been playing pingpong?
你打乒乓球多少年了？
Only good scouting is likely to preserve the freedoms so dear to the heart of the eternal Boy Scout.
只有优良的童子军活动才能保持不朽的童子军所衷心热爱的各项自由。