/ˈbɪldʌp/ n.1.+of gas, pressure, toxins逐渐增加；累积；积聚；+of weapons, troops增强；集结
Your symptoms are linked to the build-up of toxins.你的症状与体内毒素的累积有关。
The disease can also cause a build-up of pressure in the inner ear, leading to severe earache.这种疾病还可能导致内耳压力增大, 从而造成严重的耳痛。
There has been a build-up of troops on both sides of the border.边界两边已经有军队集结。
2.(preparatory period)准备期；准备过程
We should wait at least until winter before we start the build-up to Christmas.我们至少应该等到冬天再开始准备过圣诞节。
in the build-up to sth在…的准备阶段
in the build-up to the Games next summer在为来年夏季运动会做准备的期间