重要

pulsate

🇬🇧/pʌlˈseɪt/ 🇺🇸/ˈpʌlseɪt/📚 21019GRE

If something pulsates, it beats, moves in and out, or shakes with strong, regular movements. ^{有节奏地跳动}

The Pole Star appears to be changing from a star that pulsates.
北极星似乎由一颗脉动的恒星衍变而来。

-puls- Pel,puls= drive, push, 表示“驱动，推”"pulsate v. （脉）搏动（puls 脉搏+ate)

单词造句:

现在分词pulsating/pʌlˈseɪtɪŋ/adj. 脉动的；脉冲的；搏动的

复合词pulsation/pʌlˈseɪʃn/n.跳动,有节奏地跳动,震动

源自pulse/pʌls/n. 脉搏；脉冲