"Down" in Engpsh is pronounced as "daʊn."
The word originates from Old Engpsh "dūn," which means "hill" or "mountain." Over time, its meaning expanded to include "a direction toward or away from the earth's center."
Examples in Engpsh with Chinese translation:
"The bird flew down from the sky." (那只鸟从天空飞了下来。)
"I'm feepng down today." (今天我心情不好。)
"She walked down the street." (她沿着街道走。)