- up on
- 熟悉；精通
同义词
参考例子
- 1.The cat crept up on the bird.
- 猫咪悄悄地向那只鸟爬过去。
- 2.The path twists up on the mountainside .
- 这条山路在山腰上盘旋而上。
- 3.In the experiment, air pushes up on the cardboard.
- 在这个实验里，空气给纸板向上的压力。
英文解释
- adj.
- 1.being up to particular standard or level especially in being up to date in knowledge
网络释义
- Up-on
- 阿胖;
- hurry up come on
- 快点;
- mark up loss on securities
- 证券提价损失;
- take up loan on securitites
- 抵押有价证券;
- get up early on weekdays
- 工作日早起;