✅ 同义词
🗣️ 情景例句
Yes, you are through with it. I hope you will enjoy your stay in China.
是的，检查完毕。希望您在中国过得愉快。
I checked my baggage in the baggage section.
我在行李房托运行李。
Even more processes are never patented at all but kept as secret processes.
更多的工艺过程根本就不会取得专利权，而是作为秘方保存着。