unturned

adj.

未翻转的，未颠倒的；

1. Of course, social science research is almost never conclusive. There are always methodological difficulties and stones left unturned.
   当然，社会科学的研究几乎从来没有结论。总是有方法上的困难和人事未能尽到的情形。
2. The police left no stone unturned in their search for the missing child.
   警察为了寻找这个失踪的儿童，使用了一要手段。

with Learning Disabilities
NUCLEAR CHEMISTRY: Element 107 Leaves the Table Unturned
Element 107 Leaves the Table Unturned
Characteristics of unturned eggs: critical period, retarded embryonic growth and poor albumen utilisation.
Developmental patterns of O 2 consumption, heart rate and O 2 pulse in unturned eggs
Gene therapy for hepatocellular carcinoma: progress but many stones yet unturned!
Executive function and diabetes mellitus--a stone left unturned?
Leaving Few Bones Unturned: Recent Work on Repatriation by Osteologists
No Rock Unturned: Revitalizing the Economies of Mining Dependent Communities
Formation and changes of the subembryonic liquid from turned, unturned, and cultured Japanese quail eggs.