立彬の日本語
それゆえ今日使われている鉄道路線は、様々な理由で、いろいろな時代に、到達した一連の決定の産物なのである。
tbd
A piece of railway in use today is therefore the product of a long series of decisions reached at different times for many different reasons.
969
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それゆえ， それ故， 其れ故
1. therefore, for that reason, so, because of that
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今日， きょう， こんにち， こんち， こんじつ
1. today, this day
2. these days, recently, nowadays
今天
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使う， 遣う， つかう
1. to use (a tool, method, etc.), to make use of, to put to use
2. to use (a person, animal, puppet, etc.), to employ, to handle, to manage, to manipulate
3. to use (time, money, etc.), to spend, to consume
4. to use (language), to speak
使用（工具、方法等），利用，使处于可用状态；用(时间)，花(钱)，花费，消耗，耗费；使用（某人、某动物、木偶等），雇佣，处理，管理，掌控；使用（语言），说话
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鉄道， てつどう
1. railroad, railway, rail transport
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路線， ろせん
1. route (bus, train, air, etc.), line
2. line (taken by a group, organization, etc.), policy, course
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理由， りゆう， わけ
1. reason, pretext, motive
理由，借口，动机
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いろいろ， 色々， 色色
1. various, a variety of, all sorts of, many (different)
2. variously, in various ways, in many ways
3. various things, this and that
各种各样的，多种多样的，形形色色的，许多(不同的)；以各种方式，以多种方式；各种各样的事，这儿那儿的
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時代， じだい
1. period, epoch, era, age
2. the times, those days
3. oldness, ancientness, antiquity
4. antique, period piece
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到達， とうたつ
1. reaching, attaining, arrival
到达，抵达
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一連， 一嗹， いちれん
1. series, chain, sequence
2. two reams (i.e. 1000 sheets of paper)
3. verse, stanza
系列，链，序列；两令纸（即1000张纸）
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決定， けってい
1. decision, determination
决定
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産物， さんぶつ
1. product, produce
2. result, fruit
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なのである
1. it is assuredly (that)..., can say with confidence that it is...
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いる， 居る
1. to be (of animate objects), to exist
2. to stay
3. to be ...-ing, to have been ...-ing
存在(指有生命的事物)；停留；正在……，曾经……(状态一直持续)
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题
で
1. at, in
2. at, when
3. by, with
4. within, in
5. and then, so
6. and, then
7. let me tell you, don't you know
表示范围
に
1. at (place, time), in, on, during
2. to (direction, state), toward, into
3. for (purpose)
4. because of (reason), for, with
5. by, from
6. as (i.e. in the role of)
7. per, in, for, a (e.g. "once a month")
8. and, in addition to
9. if, although
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する， 為る
1. to do, to carry out, to perform
2. to cause to become, to make (into), to turn (into)
3. to serve as, to act as, to work as
4. to wear (clothes, a facial expression, etc.)
5. to judge as being, to view as being, to think of as, to treat as, to use...
做，作，干，执行
の
1. indicates possessive
2. nominalizes verbs and adjectives
3. substitutes for "ga" in subordinate phrases
4. (at sentence-end, falling tone) indicates a confident conclusion
5. (at sentence-end) indicates emotional emphasis
6. (at sentence-end, risi...
句尾起强调作用；助词，表示所有关系