lengthiness

1. In the part of the writing styles, I discuss Seneca's following styles which westerners talk frequently: lengthiness, repetition, easy understanding, the practical, being at oration as well as some westerners 'evaluations upon Seneca's writing styles above.
   关于写作风格，主要讨论了西方人谈论得最多的几种风格：冗长重复、通俗实践化、善于修辞学和雄辩术等以及西方人对几种风格的评价。
2. This essay describes the connotation and methods of the succinct language, and the contradictory relation between succinctness and lengthiness.
   本文阐述了体育教学语言精练的内涵、方法，以及精练与冗余的矛盾关系，提出不能片面强调精练，排斥冗余。
3. As concrete carbonization is a long and slow process, researches into the carbonization process under practical environment often witness such problems as the lengthiness of experimental period and the indeterminacy of environmental conditions.
   混凝土碳化是一个长期、缓慢的过程，对实际环境下混凝土碳化过程的研究存在着试验周期长、环境条件变化不定等问题。

noun

1. the consequence of being lengthened in duration

   Synonym:    prolongationcontinuationprotraction

2. amount or degree or range to which something extends
   1. the wire has an extension of 50 feet

   Synonym:    extensionprolongation