Difluorene
[化] 联芴
🗣️ 情景例句
Our family has decided that we will definitely be traveling to Japan these Christmas holidays.
我们家里人明确定下了在这个圣诞节去日本旅游。
I will try, but no promises.
我会试试看，但是不敢保证。
What Caused The Fire ?
是什么引发了火灾？