Nitrosonitric acid
[化] 发烟硝酸\\n[医] 亚硝基硝酸, 发烟硝酸
🧩 词语组成解析
🗣️ 情景例句
without cultural programs in our school.
我们的学校里没有文化活动。
How many sisters and brothers do you have?
你有几个姊妹和兄弟？
Yes, it's beautiful, isn't it?
是的，今天的天气真好！