Polyarylate
多芳基化合物
🗣️ 情景例句
May I use a knife and fork please?
我可以用刀叉吗？
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。
My boss is leaving for South Korea.
我老板马上要去韩国。