Levulic acid
[化] 3-乙酰丙酸; 4-氧代戊酸
🧩 词语组成解析
🗣️ 情景例句
Well, that's what fathers are for.
嗯，父亲们的用处正在于此。
Would you please call a taxi for me?
可以请你帮我叫一辆出租车吗？
Most of us are able to solve most of our problems. Often, all we need is a good friend who will listen to us while we talk things through. If friends can take turns to listen to each other well, life will be better!
我们大多数人都有能力解决自己的大部分问题。我们常常需要的是一位能倾听我们“畅叙衷肠”的好朋友。如果朋友们能够轮流相互倾听对方的谈话，那么生活就会变得更美好！