adjustment

The telescope requires a fine adjustment to the lens to get a clear image of the distant stars.

(Chinese) 望远镜需要对镜头进行微调，才能获得遥远星系的清晰图像。

Moving to a new country involves a difficult period of cultural adjustment and language learning.

(Chinese) 搬到一个新的国家涉及一段艰难的文化调整和语言学习期。