[bō dòng]
(不稳定) undulate; fluctuate; unsettle; surge; rise and fall
									
										in an anxious state of mind
										情绪波动
									
									
									
										The price of vegetables fluctuates according to the weather.
										蔬菜价格随气候波动。
									
									[物] wave (motion); wave propagation; undulation; fluctuation; fluctuating; undulatory