Haloflex
氯化聚乙烯
🗣️ 情景例句
Does this come with a certificate of authenticity?
这有鉴定证明吗？
I have a lot of responsibility in my job.
我的工作责任重大。
Unfortunately you'll have to pay the fine before you check those books out.
在你借书之前你要先付清罚款。