1.planetmotion  2.planetarymotion  

行的英語翻譯：

all right; business firm; profession; capable; carry out; prevail; conduct; go
travel; range; row; soon
【計(jì)】 row
【醫(yī)】 dromo-
【經(jīng)】 line

星的英語翻譯：

bit; omphalos; particle; star
【醫(yī)】 astro-; star; stella

運(yùn)動的英語翻譯：

athletics; sport; campaign; exercise; movement; play
【醫(yī)】 cin-; cine-; cinesi-; cineto-; exercise; kine-; kinesi-; kinesio-
kinesis; kineto-; kino-; locomotion; motion; movement
【經(jīng)】 campaign; motion