Seren
n. 赛伦（女子名）；塞伦（公司名）
🗣️ 情景例句
and his book
他的书
Don't you have my hat?
你没拿我的帽子吧？
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。