Polyvinylene
聚乙烯撑, 聚次亚乙烯
🗣️ 情景例句
Just fine.
相当不错。
At the moment, he is a bit worried about his English.
就在那时候，他有点担心他的英语。
and it spread to Britain where wild rabbits are regarded as a pest but where domesticated rabbits,equally susceptible to the disease, are the basis of a profitable fur industry.
这种疾病又蔓延到了英国。在英国，野兔被当作有害的动物，可是家兔是赚钱的毛皮工业的基础，然而家兔同样易感染这种疾病。