Rif
[计] 路由信息域
🗣️ 情景例句
A movie!
电影！
Industry is fortune's right hand,and frugality her left.
勤勉是幸运的右手，世俭是幸运的左手。
Similarly, our own present primitive chemical rockets, though good enough to orbit men,
同样，我们目前使用的原始化学火箭，虽然可以把人送入轨道，