Dithiadiazole
[化] 二噻二唑
🗣️ 情景例句
It's been a pleasure to talk to you.
和你谈话是件很愉快的事。
A little labour,much health.
适量的劳动大有益于健康。
The eraser goes from one student to another first one way, then another.
橡皮擦从一个学生传给另一个学生－先从这个方向传过去，然后返回来。