a plastic substance的意思|示意

Polymer: Natural or synthetic plastic-like substances having molecule in a high relative molecular mass formed by the chemical linking of many simple molecules, of the same substance.

聚合物：类似塑胶的人造或天然物体。由许多简单而属于同一种物质的分子，通过化学结合而形成，并具有较高的相对分了质量。

The substance polymerizes to form a hard plastic.

这种物质聚合形成坚硬的塑料。

Plastic is a substance that hardly decomposes in the nature.

塑料是一种在自然中极难降解的物质。

The Mount Sinai researchers also warned against, Bisphenol-A, a substance present in many food containers, plastic water and baby bottles (indicated by a number 7 printed on the base).

西奈山医学中心的医生还警告到，一种名为双酚a的物质普遍的出现在许多的食物容器之内，其中包括了塑料水瓶和婴儿的奶瓶(表面印有数字7)。

Clay is a plastic substance.

黏土是可塑物质。

One is to coat the glass with a substance that will make sure the glass doesn't shatter into pieces when it is broken--that could be a plastic material for example。

一方面是给玻璃杯涂一层特殊材料，防止其摔碎，这一材料可能会是塑料。