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难道‘我爱你这三个字就这么难开口吗。Polylactic acid (PLA) is a new bio-based and renewable biodegradable material, which is made of starch raw materials proposed by renewable plant resources (such as corn). Starch raw materials are saccharified to obtain glucose, then glucose and certain strains are fermented to produce high purity lactic acid, and polylactic acid with certain molecular weight is synthesized by chemical synthesis method. It has good biodegradability, can be completely degraded by microorganisms in nature under specific conditions after use, and finally generates carbon dioxide and water without polluting the environment, which is very beneficial to environmental protection and is recognized as an environment-friendly material. This thing is actually a long piece, and then "curled up" in it and wrapped in a cylinder shape. What's the use? You will see it in a short time.欠你一个大人情杨长帆笑道。Long-term use of laxatives will produce drug resistance, which is quite important. Take it for up to two weeks. And pregnant women and patients with intestinal obstruction should not take it.Analysis of Leader Halo: Most of the time, we will use our limited resources to purchase enchantments, spirits and myth regiments, ignoring this one. In fact, the bonus of this attribute is not inferior to the upgrade of fine spirit, which consumes a lot. Through the comparison of attributes, I roughly arranged the Myth Corps > Enchantment > King > Halo > Spirit