This is the 5178th most frequent Chinese word.
up
In Chinese, "up" translates to 上 (shàng), meaning "above" or "on top."
The usage of '上' in '向上看' indicates the direction 'upward' in this context, portraying the movement of one's gaze upward.
他向上看，追寻星空的美丽。
He looks up, pursuing the beauty of the starry sky.
In '速度逐渐上升', '上' in '上升' refers to the increase in terms of magnitude or quantity, associated with upward movement or growth.
火车加速，速度逐渐上升。
The train accelerates, its speed gradually rises.
Here, '上' in '升上' is used to denote movement to or above a certain point, emphasizing directional ascent or rise.