Unpatented
a. 未获专利权的\\n[法] 未获得专利权的, 不受专利权保护的
🗣️ 情景例句
Thank you.
谢谢各位。
May I pay by credit card?
我可以用信用卡付款吗？
Later we learnt that there was a very important person on board.
后来我们才得知，飞机上坐了一位非常重要的人物。