这些口袋由可降解塑料制成，不会造成环境污染。
These pockets are made of plastic which can be resolved, so they can't cause the pollution of the environment.
全世界都在研究可降解塑料以解决目前塑料无法降解所带来的严重的环境题目。
Degradable plastics are being studied all over the world to solve the serious environmental problems caused by the degradation of plastics.
全世界都在研究可降解塑料以解决目前塑料无法降解所带来的严重的环境题目。
Degradable plastics are being studied all over the world to solve the serious environmental problems caused by the degradation of plastics.
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