Annularity
n. 环状, 轮状
🗣️ 情景例句
Hello, my name is Susan and I am calling to confirm my reservation.
喂，你好，我叫苏珊，我大电话确定我的预定。
The samples you asked for will follow by separate post.
贵方所要样品另行邮寄。
Sorry to bother you.
抱歉，打扰一下。