Ketoaldehyde
酮醛
🗣️ 情景例句
A son and his wife and their three children--my grandchildren.
有个儿子， 还有儿媳妇以及他们的三个孩子，我的孙儿女们。
My handkerchif is grey.
我的手帕是灰色的。
Our neighbour, Captain Charles Alison, will sail from Portsmouth tomorrow.
我们的邻居查尔斯。艾利森船长明天就要从朴次茅斯启航了。