Trunking
[信]中继
🗣️ 情景例句
Then an adult must sign for you.
那就必须有一位成年人来替你签字。
Reason rules all things.
情理管万事。
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。