Fire investigators have responded to the scene but have not yet determined the cause of the fire.

火灾调查人员已经对现场情况做出了回应，但还没有确定火灾的原因。

youdao

But researchers have not yet determined whether the athletes' hearts were larger to begin with.

但是研究人员还未确定他们的心脏在训练前是否已经异于常人。

youdao

Mr Obama's administration may not yet have determined its policy towards Sudan.

奥巴马的行政机构仍然没有确定在对苏丹问题上的政策。

youdao

Investigators have not yet determined what caused the I-35W bridge to collapse in Minneapolis last week.

NPR: Bumper to Bumper: Predicting Traffic Flow

Investigators have not yet determined what caused the plane to crash.

CNN: Brazilian air force says debris was not from Air France crash

Security officials are investigating the breach and have not yet determined the damage that may have been caused by the hacking incident, the officials said.

CENTERFORSECURITYPOLICY: Center For Security Policy