Cyanoacetophenone
[化] 乙酰氰基苯
🗣️ 情景例句
I say forget about the whole plan.
要我说，还是把整个计划忘掉吧。
I'll finish working at 5:30 and get home by 6 o'clock.
我希望在5:30完成工作并且在6点钟回家。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。