總機的用法和樣例：
例句
-
安裝電話(huà)機與總機接通要多長(cháng)時(shí)間？
How long will the connection of the telephone take? ie How long will it take to install a telephone and connect it to the exchange? -
你記住請總機把我的電話(huà)接到董事會(huì )的會(huì )議室？
Do you remember to ask the switchboard to put my call through to the boardroom? -
我們回來(lái)前由巴巴拉管理電話(huà)總機。
Barbara will man the telephone switchboard till we get back.
