| 释义 |
upcast
up·cast U0129800 (ŭp′kăst′)adj. Directed or thrown upward: upcast volcanic ash.n.1. Something cast upward.2. A ventilating shaft, as in a mine.upcast (ˈʌpˌkɑːst) n1. material cast or thrown up2. (Mining & Quarrying) a ventilation shaft through which air leaves a mine. Compare downcast33. (Geological Science) geology (in a fault) the section of strata that has been displaced upwardsadjdirected or thrown upwardsvb, -casts, -casting or -cast (tr) to throw or cast upup•cast (ˈʌpˌkæst, -ˌkɑst) n. 1. something cast or thrown up, as soil in digging. adj. 2. directed or thrown upward. [1300–50] upcast Past participle: upcast Gerund: upcasting
| Present |
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| I upcast | | you upcast | | he/she/it upcasts | | we upcast | | you upcast | | they upcast |
| Preterite |
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| I upcast | | you upcast | | he/she/it upcast | | we upcast | | you upcast | | they upcast |
| Present Continuous |
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| I am upcasting | | you are upcasting | | he/she/it is upcasting | | we are upcasting | | you are upcasting | | they are upcasting |
| Present Perfect |
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| I have upcast | | you have upcast | | he/she/it has upcast | | we have upcast | | you have upcast | | they have upcast |
| Past Continuous |
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| I was upcasting | | you were upcasting | | he/she/it was upcasting | | we were upcasting | | you were upcasting | | they were upcasting |
| Past Perfect |
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| I had upcast | | you had upcast | | he/she/it had upcast | | we had upcast | | you had upcast | | they had upcast |
| Future |
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| I will upcast | | you will upcast | | he/she/it will upcast | | we will upcast | | you will upcast | | they will upcast |
| Future Perfect |
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| I will have upcast | | you will have upcast | | he/she/it will have upcast | | we will have upcast | | you will have upcast | | they will have upcast |
| Future Continuous |
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| I will be upcasting | | you will be upcasting | | he/she/it will be upcasting | | we will be upcasting | | you will be upcasting | | they will be upcasting |
| Present Perfect Continuous |
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| I have been upcasting | | you have been upcasting | | he/she/it has been upcasting | | we have been upcasting | | you have been upcasting | | they have been upcasting |
| Future Perfect Continuous |
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| I will have been upcasting | | you will have been upcasting | | he/she/it will have been upcasting | | we will have been upcasting | | you will have been upcasting | | they will have been upcasting |
| Past Perfect Continuous |
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| I had been upcasting | | you had been upcasting | | he/she/it had been upcasting | | we had been upcasting | | you had been upcasting | | they had been upcasting |
| Conditional |
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| I would upcast | | you would upcast | | he/she/it would upcast | | we would upcast | | you would upcast | | they would upcast |
| Past Conditional |
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| I would have upcast | | you would have upcast | | he/she/it would have upcast | | we would have upcast | | you would have upcast | | they would have upcast | Thesaurus| Noun | 1. | upcast - air passage consisting of a ventilation shaft through which air leaves a mineair duct, air passage, airway - a duct that provides ventilation (as in mines) | Translationsupcast
upcast[′əp‚kast] (mining engineering) The opening through which the return air ascends and is removed from the mine; the opposite of downcast or intake. An upward current of air passing through a shaft. Material that has been thrown up, as by digging. upcast
Words related to upcastnoun air passage consisting of a ventilation shaft through which air leaves a mineRelated Words- air duct
- air passage
- airway
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