| 释义 |
noun | verb pioneerpioneer1 /ˌpaɪəˈnɪr/ ●●○ noun [countable] ETYMOLOGYpioneer1Origin: 1500-1600 Old French peonier soldier, from peon ► a pioneer photographer/geologist etc. (=one of the first people to develop the skill of photography, etc.) 1one of the first people to do something that other people will later develop or continue to do: pioneer of/in He was a pioneer in the field of biotechnology. a leading pioneer of prison reforma pioneer photographer/geologist etc. (=one of the first people to develop the skill of photography, etc.)2one of the first people to travel to a new country or area and begin living there, farming, etc.: Many of the early pioneers left after the first winter. [Origin: 1500–1600 Old French peonier soldier, from peon] noun | verb pioneerpioneer2 ●○○ verb [transitive] VERB TABLEpioneer |
| Present | I, you, we, they | pioneer | | he, she, it | pioneers | | Past | I, you, he, she, it, we, they | pioneered | | Present perfect | I, you, we, they | have pioneered | | he, she, it | has pioneered | | Past perfect | I, you, he, she, it, we, they | had pioneered | | Future | I, you, he, she, it, we, they | will pioneer | | Future perfect | I, you, he, she, it, we, they | will have pioneered |
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| Present | I | am pioneering | | he, she, it | is pioneering | | you, we, they | are pioneering | | Past | I, he, she, it | was pioneering | | you, we, they | were pioneering | | Present perfect | I, you, we, they | have been pioneering | | he, she, it | has been pioneering | | Past perfect | I, you, he, she, it, we, they | had been pioneering | | Future | I, you, he, she, it, we, they | will be pioneering | | Future perfect | I, you, he, she, it, we, they | will have been pioneering |
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