[singular, uncountable] an increase in the amount of something over a period of time 逐步的增长 a steady build-up of traffic in the evenings 晚间逐渐繁忙的交通 carbon dioxide build-up in the atmosphere 大气中二氧化碳含量的逐渐增多 The leak led to a slow build-up of carbon dioxide. 泄漏引起二氧化碳慢慢聚积。 Topics Change, cause and effect c2 Oxford Collocations Dictionary adjective verb + build-up preposition during the build-up in the build-up build-up of … See full entry [countable, usually singular] build-up (to something) the time before an important event, when people are preparing for it （重要事情的）准备期，准备过程 the build-up to the president’s visit 总统访问前的准备工作 the build-up to her wedding 她婚礼的准备 Oxford Collocations Dictionary adjective preposition See full entry [countable, usually singular] a very positive and enthusiastic description of something that is going to happen, that is intended to make people excited about it 宣扬；鼓吹 The media have given the show a huge build-up. 传媒为这次演出大力造势。 🔊 🔊