| 单词 | instrumental |
| 例句 | instrumental adjective •the space program has always been instrumental in our efforts to make medical advances:involved, active, influential, contributory | helpful, useful, of service | significant, important, crucial, critical, essential, pivotal, key | (be instrumental in) play a part in, contribute to, be a factor in, have a hand in | add to, help, promote, advance, further | be conducive to, lead to, cause. |
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