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
I know it well.
我非常清楚。
Happy is he who owes nothing.
无债一身轻。
It took him some time to connect the long rubber pipe to the air supply pipe that ran round the port, but at last it was done and as a result work was able to progress much faster.