Expandor
[計] 放大器, 擴展器
??? 情景例句
Due to lack of funds
由于缺乏經費
He received full credit for his studies at a previous school.
他在一所先前的學校取得了所有課程的學分。
What is more, this information line operates 24 hours a day.
而且，這種"問訊線路每天工作24小時。