Balloons are made of rubber. Rubber is made up of polymer chains.
气球是由橡胶所制成的，橡胶是由聚合物链组成。
The solution was a solid material that is made of two linked polymer chains.
这种新的解决方法，是用由两种连在一起的聚合物链组成的固态材料来解决。
The solution was a solid material that is made of two linked polymer chains.
这种新的解决方法，是用由两种连在一起的聚合物链组成的固态材料来解决。
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