multiply

英 ['m?lt?pla?] 美['m?lt?pla?]

CET4TEM4IELTSGRE考研TOEFLCET6中低頻詞常用詞匯

第三人稱單數(shù):?multiplies;過(guò)去式:?multiplied;過(guò)去分詞:?multiplied;現(xiàn)在分詞:?multiplying;

multiply 乘，乘以，繁殖，多倍

multi-,許多，多個(gè)，-ply,倍數(shù)，詞源同imply,comply.引申詞義繁殖。

multiply: multiply: [13] Multiply is one of a large family of English words based on Latin multus ‘much’, a word of uncertain origin which may be related to Greek mála ‘very’ and Latin melior ‘better’. Multiply itself comes from the Latin derivative multiplicāre, formed with the element plic- ‘fold’ found also in complicated, explicit, etc, and therefore very closely parallel to the native English compound manifold.

Other members of the family include multiple [17], from late Latin multiplus (the -plus is a relative of the -plic- in multiplicāre); multitude [14], from Latin multitūdō ‘crowd’, formed with the abstract noun suffix -tūdō; and of course the host of words formed since the 16th century with the prefix multi-, including multifarious [17] (based on Latin -fārius ‘doing’), multilateral [17], multinational [20], multiracial [20], and multistorey [20].
=> fold
multiply (v.): mid-12c., multeplier, "to cause to become many," from Old French multiplier, mouteplier (12c.) "increase, get bigger; flourish; breed; extend, enrich," from Latin multiplicare "to increase," from multiplex (genitive multiplicis) "having many folds, many times as great in number," from comb. form of multus (see multi-) + -plex "-fold," from PIE *plek- "to plait" (see ply (v.1.)). Mathematical sense is attested from late 14c. Related: Multiplied; multiplying.

1. Take the time in seconds, square it, and multiply by 5.12.: 記下用了多少秒時(shí)間，將其平方，再乘以5.12。

2. Take the average of those ratios and multiply by a hundred.: 算出那些比率的平均值再乘以100。

3. The children are already learning to multiply and divide.: 孩子們已經(jīng)開(kāi)始學(xué)習(xí)乘法和除法了。

5. When animals have more food, they generally multiply faster.: 動(dòng)物在有較多的食物時(shí), 一般繁殖得較快.

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