Femto
毫微微
🗣️ 情景例句
I know it well.
我对它熟得很。
To be virtuous is to do good.
行善是美德。
Fred Pearson was walking through the university town of Oxford one morning in 1961.
1961年的某个早上，弗雷德·皮尔逊正步行通过牛津大学城。