Our new receptionist has a retentive memory and greets every regular client by name.

我們的新櫃檯接待員記憶力很強，能叫出每位常客的名字。

Tom's retentive mind helped him recall every figure from last quarter's budget meeting.

湯姆記憶力超強，記得上一季預算會議中的每一個數字。

Tour guides need retentive memories to share historical details without checking their notes.

導遊需要很強的記憶力，才能不看筆記就講解歷史細節。