The following items are approved for use in residential rooms: electric blankets, hair dryers, personal computers, radios, televisions and DVD players

以下物品可以在宿舍中使用：电热毯、吹风机、个人电脑、收音机、电视和DVD播放器。

Yes, there are two approved for use.

有。有两种获准使用。

They have always been approved for every biennium.

每两年度对它们进行一次审批。

A matrix to define actions approved for each role.

定义每个角色所允许的操作矩阵。

The new drug, named Librium, was approved for use in 1960.

这种名为"利眠宁"的新药于1960年批准使用。