Heptenone
庚烯酮
🗣️ 情景例句
That's another surprise.
这是另一个惊喜。
Yes, we have done a little. But we have just started and have nothing to show you.
有，我们做了一些，但是因为我们才刚起步，并没有任何资料可以提供给你们。
Radio and television have made it possible for advertisers to capture the attention of millions of people in this way.
电台、电视使做广告的人可以用这种手段吸引成百万人的注意力。