start up
词形变化：
动词过去式: started | 动词过去分词: started | 动词现在分词: starting | 动词第三人称单数: starts |
同义词：
commence | jump | beginning | found | create | begin | set out | birth | lead | advantage | twitch | shock | fright | recoil | shrink | initiate | jerk | originate | rise | introduce | open | inaugurate | launch | invent | spring | sprout | outset | establish | seed | conceive | trigger | out | onset | actuate | aggress | conception | opening | occasion | origin | initiative | set | embark | make | kindle | dawn | contract | stem | move | suddenly | start up | commencement | start out | startle | depart | go | starting line | set off | pop out | kickoff | set forth | take off | starting | embark on | get-go | take up | scratch | get going | showtime | get | bug out | offset | first | starting signal | part | scratch line | get down | set about | head start | come out | bulge | protrude | lead off | starting time | pop | leave | quit |
反义词：