He dialled directory assistance.

他拨了查号台的电话。

Directory assistance (operator).

目录辅助(操作员)。

For English directory assistance, please dial 106.

英语查号处事，请拨106。

Directory assistance is almost always fully automated.

查号台几乎总充分地被自动化。

These directories were added using Directory Assistance.

这些目录都可以使用Directory Assistance来添加。