波动

to undulate / to fluctuate / wave motion / rise and fall

Poland / Polish / abbr. for 波蘭|波兰[Bo1 lan2]

wave / ripple / storm / surge

(of sth) to move / to set in movement / to displace / to touch / to make use of / to stir (emotions) / to alter / abbr. for 動詞|动词[dong4 ci2], verb