break down什么意思、怎么读？单词用法、记忆法、发音音标、反义词辨析、词语翻译、例句造句

break down 音标：[breik daun]

毁掉, 制服, 压倒, 倒塌, 垮掉, 分解【化】发生故障

After many years, rocks break down into dirt.

经过许多年，岩石分解成泥土。

The minuscule pores keep the thinly spread catalyst in place and create the large surface area needed to break down the fuel effectively.

这些极小的小孔使分布稀薄的催化剂保持在原位上，并且能留出有效分解这种燃料所需的尽量大的表面积。

Our car broke down and we had to draw it to a garage.

我们的车坏了，不得不把它拖到修车厂去。