D-usninic acid
[化] 右旋地衣酸
🧩 词语组成解析
🗣️ 情景例句
Could you put that into more specific terms?
您能不能说得明确一点？
Humility often gains more than pride.
谦逊往往比骄傲受益更多。
Which boy?
哪个男孩？