Dienone
二烯酮
🗣️ 情景例句
When was your last complete physical?
上一次全身检查是什么时候？
A good wife and health is a man's best wealth.
贤妻和健康是男子的至宝。
One of the most famous sailing ships of the nineteenth century, the Cutty Sark, can still be seen at Greewich.
人们在格林威治仍可看到19世纪最有名的帆船之一“卡蒂萨克”号。