Rhc
abbr. rubber hydrocarbon 橡胶烃
🗣️ 情景例句
What's the best way to learn English?
学习英语最好的方法是什么？
Would it be possible for me to have a closer look at your samples?
可以让我参观一下你们的产品陈列室吗？
Where do you want me to sign?
你要我签在哪里？