plastic tank

例句：

1. 1. The newcar has a plastic body and wheels.
   这辆新车有一个塑料车身和轮子。
2. 2.The plastic bag is too heavy to carry.
   这个塑料袋太重了，拿不动。
3. 3. Plastic bags are often used for shopping.
   塑料袋通常用于购物。