Ring ketone
[化] 环酮
🧩 词语组成解析
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
ketone
['ki:toʊn]
n. 酮;
🗣️ 情景例句
We should revise our protectionist practices in trade, and promote free trade and competition.
我们应该修改我们的贸易保护主义做法，推广自由贸易和竞争。
He is a promising young man.
他是个有出息的年轻人。[分词作定语]
My wife always worries too much.Who's going to look after the dog?
我妻子总是担心那的。谁来照看狗啦，