a.

1. 可塑的，塑性的
   The shop assistant helped Mary put the fruit into a plastic shopping bag.

   售货员帮玛丽把水果装入一个塑胶购物袋里。

2. 造型的，塑造的，塑像的
   Sculpture is a plastic art.

   雕塑是一种造形艺术。

   Clay, wax, and plaster are plastic substances.

   粘土，蜡和石膏是可塑物质。

3. 形成的，给予形态的
4. 柔顺的，易受影响的
   The mind of a child is plastic.

   儿童的思想是很容易受外界影响的。

5. 塑胶的；塑胶制的
6. 【医】整形的
   One of the survivors needed plastic surgery.

   一名幸存者需要接受整形手术。

7. 【生】形成组织的，成形的
8. 【贬】人造的；不自然的；不真实的
   I cannot stand the TV host's plastic smile.

   我不能忍受那个电视节目主持人不自然的笑容。

9. 【口】信用卡的

n.

1. 塑胶；塑胶制品[P][K]
   Plastics don't rust like metal.

   塑胶不像金属那样会生锈。

2. 信用卡

n.

1. a synthetic material made from a wide range of organic polymers such as polyethylene, PVC, nylon, etc., which can be moulded into shape while soft and then set into a rigid or slightly elastic form.
2. informal credit cards or other plastic cards that can be used as money.

adj.

1. made of plastic.
   ▸artificial; unnatural:

   long-distance flights with their plastic food.
2. easily shaped or moulded.
   ▸(in science and technology) relating to the permanent deformation of a solid without fracture by the temporary application of force.
3. (in art) relating to moulding or modelling in three dimensions, or to produce three-dimensional effects.
4. Biology  exhibiting adaptability to change in the environment.