Thiofide
橡胶硫化促进剂, 硫二苯并噻唑
🗣️ 情景例句
and how important it is for them to be paid attention to?
以及他们何等需要受人关怀吧？
That's incredible!
简直难以相信！
he answered me, but he spoke neither slowly nor clearly.
他回答了，但他讲得既不慢也不清楚。