Determining the identity of the attacker was a matter of narrowing down the line of potential suspects.

确定攻击者的身份需要逐渐缩小一连串嫌疑人的范围。

youdao

Radiological changes are characteristic and include narrowing of the joint line, cysts, and periarticular osteoporosis.

影像学的改变是特征性的，包括关节间隙的狭窄、囊肿和小关节的骨质疏松症。

youdao

Three of the four committees - Armed Services, Intelligence and Homeland Security - passed watered down versions of the resolutions on nearly uniform party-line votes, drastically narrowing the scope of documents to be provided by the administration.

CENTERFORSECURITYPOLICY: A darker shade of transparency