Tetrathionic acid
[化] 连四硫酸
🧩 词语组成解析
🗣️ 情景例句
Nope.
不对。
Which country do you come from?
你从哪一个国家来？
It now came straight towards them at tremendous speed.
它现在正以惊人的速度直冲他们驶来。