Sodium dithionite
[机] 氢硫化钠
🧩 词语组成解析
sodium
['sodɪəm]
n. <化>钠(11号元素，符号 Na);
连二亚硫酸盐
🗣️ 情景例句
Sorry, but she is with someone right now.
抱歉，她正在会客。
What is happening down there?
下面发生什么事情？
That's not allowed. Once you are in here, listen to your teacher.
那是不允许的。一旦进来了，你们要听老师的话。