Varbonyl
[机] 羰基
🗣️ 情景例句
He told me to call him about my project,
他叫我打电话给他， 跟他谈我的作品计划，
Would you care to see a movie tonight?
今晚你要不要去看电影？
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。