【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...
【简答题】Please fill in the correct answers into the blanks in the following passage. Another striking difference with respect to the behavior of a polymer an d【空1】 of a low molecular weight compound concerns ...