The right one is "Dawn". Dawn is a Chinese word, pronounced f ú xi ǎǎǎǎǎǎǎǎǎǎǎǎǎ, also known as dawn, refers to the time when the sky is about to light up. From the poem "Guanshan Moon" written by Zuofu, Changsun of the Tang Dynasty: "At dawn, the wind is sad, and the wild geese do not fly."
Sentence making:
1. Before dawn, the vanguard of our army had caught fire with the enemy.
2. At dawn, we set out.
3. Before dawn, our army attacked the enemy position.
4. At dawn, the cleaners began to clean the streets.
5. We climbed to the top of the mountain before dawn to watch the sunrise at sea.
6. Xiao Ming got up to exercise at dawn.
