Telephoneline concentrator
[计] 电话线集线器, 电话线集中器
🧩 词语组成解析
[计] 电话线
concentrator
['kɒnsenˌtreɪtə]
n. 集中器;集线器;
🗣️ 情景例句
My pleasure.
不客气。
Self-trust is the first secret of success.
自信是成功的首要秘诀。
First of all, don't come in here without a teacher.
首先，没有老师领着不要进这儿。