该组合物可以进一步包含未用过的聚对苯二甲酸乙二醇酯(PET)、高阻气剂或氧清除化合物。
The composition can further comprise a virgin polyethylene terephthalate (PET), a high gas barrier or an oxygen scavenging compound.
一旦时间变成问题-而不是香草冰激凌-工程师很快找到答案：气阻。
Once time became the problem -- not the vanilla ice cream -- the engineer quickly came up with the answer: vapor lock.
当这人买香草冰激凌时，发动机仍然太热不能驱散气阻。
When the man got vanilla, the engine was still too hot for the vapor lock to dissipate.
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