principally是一个雅思常考词汇，这个词的常用解释为ad. 主要， 大抵，这个词在很多英文原版小说中怎么应用呢，今天小编就带您了解一下。
在儒勒·凡尔纳的《海底两万里》里，有这样的句子出现：
-- This group is composed principally of nine large islands, that form a band of 120 leagues N.N.S.
-- As to the molluscs, they consisted of some I had already observed turritellas, olive porphyras, with regular lines intercrossed, with red spots standing out plainly against the flesh; odd pteroceras, like petrified scorpions; translucid hyaleas, argonauts, cuttle-fish (excellent eating), and certain species of calmars that naturalists of antiquity have classed amongst the flying-fish, and that serve principally for bait for cod-fishing.
在儒勒·凡尔纳的《神秘岛》里，有这样的句子出现：
-- They consisted principally of casuarinas and eucalypti, some of which next year would yield a sweet manna, similar to the manna of the East.
-- These shistose pyrites being composed principally of coal, flint, alumina, and sulphuret of iron the latter in excess it was necessary to separate the sulphuret of iron, and transform it into sulphate as rapidly as possible.
-- It is known that, in the Northern Hemisphere, the month of February is principally distinguished by rapid fallings of the temperature.
-- Harding instructed his companions in many things, principally explaining to them the practical applications of science.
在列夫·托尔斯泰的《复活》里，有这样的句子出现：
-- Nekhludoff called at his aunts because their manor lay on the road through which his regiment had preceded him, and also because they requested him to do so, but principally in order that he might see Katiousha.
-- The foreman insisted that she was guilty of both the poisoning and robbery; the merchant, colonel, clerk and laborer opposed this view, while the others hesitated, but the opinion of the foreman began to predominate, principally because the jury were tired out, and they willingly joined the side which promised to prevail the sooner, and consequently release them quicker.
-- And his vote was thrown against a reversal, principally for the reason that Nekhludoff's determination to marry the girl on moral grounds was extremely repugnant to him.
-- And he married principally because to refuse would have been to offend and cause pain to the bride and those who had arranged the match.
-- Ragojhinsky was a man without reputation or fortune, but a clever fortune hunter, who, by skillful manoeuvering between liberalism and conservatism, availing himself of that dominating tendency which promised bitter results in life, but principally by something peculiar which attracted women to him, he succeeded in making a relatively brilliant judicial career.
在詹姆斯·费尼莫尔·库柏的《最后的摩根战士》里，有这样的句子出现：
-- They consisted principally of trinkets of little value, plundered from the slaughtered fe-males of William Henry.
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