Microstructural
显微组织
🗣️ 情景例句
He's running for the school board.
他正在竞选联合校董会董事。
What's your general impression,may I ask?
不知您对我们厂总的印象如何？
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。