D-camphorsulfonic acid
[建] 右旋梓脑磺酸
🧩 词语组成解析
🗣️ 情景例句
Thanks, Mom.
谢谢，妈 。
Every heart has its own sorrow.
人人都有伤心处。
If we buy the smaller one, the IBM PC386, we might have to change it in a few years' time for a bigger one.
如果我们买一台较小的IBM386的话，过几年可能就得换一台较大的机子。