Pyrofoam
泡沫焦性石墨
🗣️ 情景例句
Sheet--s-h-e-e-t.
Sheet s-h-e-e-t。
Do you have an extension?
你有分机吗？
We really need more specific information about your technology.
我们需要与贵公司技术相关更专门的资讯。