虽然要等到2001年才能获释，他却被允许离开看守宽松的监狱去和妻子共度一个周末。

Although not due for release until 2001, he was let out of his low-security prison to spend a weekend with his wife.

《柯林斯英汉双解大词典》

他们被允许离开证人席而没有受到盘问。

They were allowed to leave the stand without being cross-questioned.

youdao

有些人被允许离开监狱，去学习或做社区工作。

And some are allowed out of the ground to study or to do community work.

youdao

In the presence of this ligand, this molecule, it's open, it allows transport of this ion, when the ligand is gone it doesn't.

配体存在的情况下通道才打开,允许这些离子穿过,配体离开后,这些离子就不能通过了

耶鲁公开课 - 生物医学工程探索课程节选