D-usninic acid
[化] 右旋地衣酸
🧩 词语组成解析
🗣️ 情景例句
When you understand the cultural background, you can better use the language.
当你了解了文化背景，你就能更好地运用语言。
When the belly is full the mind is among the maids.
逸则思淫。饱则思淫欲？
The group of girls all moved on and had a good drink of tea together, from a modern thermos!
这一群女孩一块儿去享受了一番茶水。她们用得是现代的热水瓶！