脈動

pulse / throbbing / pulsation

arteries and veins / vein (on a leaf, insect wing etc)

see 脈脈|脉脉[mo4 mo4]

(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