Celanex
热塑性芳族聚酯
🗣️ 情景例句
Window, please.
靠窗的吧。
There's a DC-10 out of LaGuardia Airport at 9:15 A.M.
上午9点15分有班DC-10号班机从拉瓜迪亚机场起飞。
You are John Smith, the engineer,aren't you?
你是工程师约翰。史密斯，对吗？