布朗运动 bù lǎng yùn dòng

DEFINITIONS

  1. Brownian motion

CHARACTERS

布 bù
HSK 5
cotton cloth, textiles, linen
朗 lǎng
HSK 5
clear, bright; distinct
运 yùn
HSK 2
run; simplified form of 運 luck, fortune; ship, transport
动 dòng
HSK 2
move, happen; movement, action