Tachydrol
[化] 大曲哚
🗣️ 情景例句
This is very helpful, Mrs. Martinelli.
这样很有用， Martinelli太太。
Don't take any notice of what he says-he's pulling your leg.
别理睬他，他在跟你开玩笑。
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。