Ridgerope
沿着帆船首斜桁的一根安全绳
🗣️ 情景例句
The security guard asked the stranger for some I.D.
保安要求陌生人出示身份证。
To be virtuous is to do good.
行善是美德。
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。