Rif
[计] 路由信息域
🗣️ 情景例句
Alexandra's coming over to help me
Alexandra就要来帮我
When the cat's away,the mice will play.
猫儿不在家，老鼠就玩耍；猫儿不在耗子闹。
it is not always safe by the time it reaches the tap.
等水到达龙头时就不一定总是安全的了。