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
We need a man who knows the ropes.
我们需要位内行人士。
When the tree is fallen, every one runs to it with his axe.
大树一倒下,人人持斧来。
Professor Karl von Frisch, an Austrian scientist, spent many years of his life researching the amazing ways honey bees communicate in their dark hives.