deep thready pulse

例句：

1. 1. The ocean is very deep.
   海洋非常深。
2. 2. She has a deep love for her country.
   她对她的国家有着深深的爱。
3. 3. The book is filled with deep insights into the human condition.
   这本书充满了对人类状况的深刻洞察。