Acm
[計] 計算機協會, 異步通信控制模塊
??? 情景例句
How about $ 140 per case?
每箱140美元怎么樣？
She gaped in surprise when Robert arrived.
當羅伯特來的時候，她吃驚得長大嘴巴呆住了。
Jim ran very fast, but Yu Yan from Class 1 ran faster. He began to catch up with Jim.
吉姆跑得非常快，但是1班的余延跑得更快。他開始趕上吉姆。