Hexinic acid
[化] 己炔酸
🧩 词语组成解析
🗣️ 情景例句
It's certainly a good idea.
这的确是个好主意。
Why are you wearing my sweater?
你为什么穿着我的毛衣？
Will you introduce me to the new purchasing agent?
请替我引介新来负责采购的人好吗？