D-usninic acid
[化] 右旋地衣酸
🧩 词语组成解析
🗣️ 情景例句
Take it easy. Don't work too hard.
悠着点。不要操劳过度。
I live on Washington Street.
我住在华盛顿街。
As is so often pointed out, knowledge is a two-edged weapon which can be used equally for good or evil.
正像人们常常指出的，知识是一把双刃刀，可以用于造福，也可以用来为害。