Osotetrazine
[化] 接四嗪; 1,2,3,4-連四嗪
??? 情景例句
We've been listening to you both.
我們一直在聽你們朗誦。
That's another story.
那是另一回事。
The situation seemed hopeless and he knew his life was in danger.
這種情況看來是毫無希望了，他知道他有生命危險。