| 单词 | primary |
| 释义 | primary adj. & n. --adj 1. a of the first importance; chief (that is our primary concern). b fundamental, basic. 2. earliest, original; first in a series. 3. of the first rank in a series; not derived (the primary meaning of a word). 4. designating any of the colours red, green, and blue, or for pigments red, blue, and yellow, from which all other colours can be obtained by mixing. 5. (of a battery or cell) generating electricity by irreversible chemical reaction. 6. (of education) for young children, esp. below the age of 11. 7. (Primary) Geol. of the lowest series of strata. 8. Biol. belonging to the first stage of development. 9. (of an industry or source of production) concerned with obtaining or using raw materials. 10. Gram. (of a tense in Latin and Greek) present, future, perfect, or future perfect (cf. HISTORIC). --n (pl. -ies) 1. a thing that is primary. 2. (in full primary election) (in the US) a preliminary election to appoint delegates to a party conference or to select the candidates for a principal (esp. presidential) election. 3. = primary planet. 4. (Primary) Geol. the Primary period. 5. = primary feather. 6. = primary coil. Phrases and idioms primary coil a coil to which current is supplied in a transformer. primary feather a large flight-feather of a bird's wing. primary planet a planet that directly orbits the sun (cf. secondary planet). primary school a school where young children are taught, esp. below the age of 11. Derivatives primarily adv. Etymology: ME f. L primarius f. primus first |
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