Dial-back trunk
[计] 自动电话转接干线
🧩 词语组成解析
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
🗣️ 情景例句
and I think
我觉得
The outdoor concert was called off due to the weather.
露天音乐会由于天气原因被取消。
You will have to wait and see.
你得等一等看。