D-usninic acid
[化] 右旋地衣酸
🧩 词语组成解析
🗣️ 情景例句
Give me two tickets to New York.
请给我两张去纽约的票。
One sows another reaps.
不劳而获。
The fact of first-rate importance is the predominant role that custom plays in experience and in belief, and the very great varieties it may manifest.
最重要的是，风俗在实践中和信仰上所起的举足轻重的作用，以及它所表现出来的极其丰富多采的形式。