立彬の日本語
日本人の平均寿命は大いに伸びた。
tbd
The average life span of the Japanese has lengthened to a great extent.
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日本人， にほんじん， にっぽんじん
1. Japanese person
日本人
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平均寿命， へいきんじゅみょう
1. life expectancy (at birth), average life span
2. mean lifetime
预期寿命（出生时），平均寿命；平均寿命
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大いに， 多いに， おおいに
1. very, very much, greatly, considerably, highly, exceedingly, a great deal, a lot, to one's heart's content
非常、非常地、极大、相当、高度、极其、相当多、很多、心满意足、非常に。甚はなは。
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伸びる， 延びる， のびる
1. to stretch, to extend, to lengthen, to grow (of hair, height, grass, etc.)
2. to straighten out, to be flattened, to become smooth
3. to spread (of paint, cream, etc.)
4. to stretch out (e.g. of a hand), to extend
5. to lose elasticity, to become ...
拉伸、延伸、加长、生长(用于描述头发、身高、草等)；拉直，压平，变得光滑；伸展（如手），伸出
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
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题