Calophyllolide
红厚壳烯酮内酯, 海棠果素
🗣️ 情景例句
Last year's tax forms?
譬如去年的纳税申报表格？
In an enemy spots are soon seen.
敌人的缺点容易找。
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了，比人们想像的要早20，000年。