1.break down 分解

The analysis shows that plastics, particularly those that break down fast, are contributing to the climate change.

分析表明，塑料正在導(dǎo)致氣候變化，尤其是那些快速分解的塑料GFLE8@G7t5-reKdMaVc)。

2.convert into 把……轉(zhuǎn)化成

Once made, HMF is fairly easy to convert into plastics or diesel fuel.

一旦制成羥甲基糠醛后，進(jìn)一步將其轉(zhuǎn)化成塑料或柴油燃料就會(huì)相當(dāng)容易Iu|]OBXQzVc-nQ27d8。

3.account for 占

The social services account for a substantial part of public spending.

社會(huì)服務(wù)性事業(yè)占政府開支的相當(dāng)大的一部分i3!wM=,XQbMyU;。

4.tricky 棘手的

It was a tricky problem but I think we've licked it.

這是一個(gè)棘手的問題，但我認(rèn)為我們輕而易舉地把它解決了ML^pil2ufo2huf。