Dithiadiazole
[化] 二噻二唑
??? 情景例句
Goodbye, take it easy.
再見，悠著點。
I have some difficulty in expressing myself.
我表達起來有點困難。
The dealer told him that it had just come in, but that he could not be bothered to open it.
古董商告訴他那只貨箱剛到不久，但他嫌麻煩不想把它打開。