Hexynic acid
[化] 己炔酸
🧩 词语组成解析
🗣️ 情景例句
Would tomorrow be OK?
明天可以吗？
That nation is famous for its tourism.
那个国家以旅游业闻名。
I once spend an uncomfortable weekend which I shall never forget at his house.
有一次，我在他家里度周末，过得很不愉快。这事我永远不会忘记。