D-usninic acid
[化] 右旋地衣酸
🧩 词语组成解析
🗣️ 情景例句
How much do you want for this?
这件东西你想卖多少钱？
I had to pay three dollars for my club fee.
我付了三美元给俱乐部
Bison were killed for their meat, while their fur provided warm clothing during cold winters.
他们杀野牛，吃野牛肉，用野牛毛皮制成冬季御寒的衣服。