注意句中 meaning in Chinese

hundreds of hours

But with the way of understanding the main ideas of the article and the paragraph in which the long sentences are , making good use of the phrases , paying attention to the key words , analyzing the sentences with the grammars , and learning about the culture and customs , it is easy to solve the problems
但是通过充分理解文章及长句、难句所在段落的主旨大意，充分利用句中的关联词组，注意句中某些起决定作用的词语或词级，用语法知识对句子进行结构分析，以及加强文化背景知识的学习，则可以软轻松地解决这一难题。