【简答题】利用 Chunk 法(有意义的词块、组块)对下面的段落在合适位置分段,然后翻译整段内容。 The step-reaction polymerization is quite ogous( 类似的 ) to condensation between low-molecular-weight compounds. In polymer formation the condensation ta...
【简答题】• Polymers A polymer has a repeating structure, usually based on a carbon backbone. The repeating structure results in large chainlike molecules. Polymers are useful because they are lightweight, cor...