Fetal surgery has been successfully applied to some lethal diseases, while its application in the non-lethal congenital malformation such as cleft lip and palate is still under research at present.

胎儿外科技术已成功应用于一些胎儿致命性疾病的治疗，而应用该技术治疗非致命性的先天畸形如唇腭裂，目前尚处于研究阶段。

youdao

Objective to research the cold hardiness of snails in the constant temperature condition in laboratory, and speculate on the lower lethal temperature of snails in dry air.

目的实验室恒温条件下初步观察钉螺的耐寒能力，推测钉螺在空气环境下的致死低温。

youdao

The Patten Report on police reform in Northern Ireland recommended research to find an acceptable, effective and less potentially lethal alternative to plastic bullets.

BBC: Legal move over plastic bullets

Previous research has shown that the intestine plays an important role in these often lethal scenarios.

BBC: News