Polyvinylene
聚乙烯撑, 聚次亚乙烯
🗣️ 情景例句
about taking care of babies, I assure you.
如何照顾小孩， 我向你保证。
If you have no questions, may I go on to the next stage?
如果你们没有问题了，我可以进行下一阶段吗？
Compared with competing products, ours is smaller and lighter.
比起其它竞争产品，我们的比较轻巧。