adv. 在上面,在高处;起床,起来;向上;由低到高;
adj. 向上的;上升的;竖立的,垂直的;举起的;
vt.& vi. 增加;加速;提高;举起,拿起;
prep. 在…的上端;向高处;沿…而去;向…上游;
n. 上升,升高;兴旺,繁荣;上坡;(价格等)上涨;
🗣️ 情景例句
When can I photograph a class?
我何时才来上课呢?
She is very fed up about it.
她对此非常不满。
since her parents had impressed upon her that it would be unforgivable to miss it and cause the friends with whom she was going to stay to make two journeys to meet her.