D-camphorsulfonic acid
[建] 右旋梓脑磺酸
🧩 词语组成解析
🗣️ 情景例句
Did you see what she was wearing?
你看到她穿的是什么？
Why didn't you call me?
为什么你不打电话给我？
It was obvious that he was very embarrassed.
显然他感到很尴尬。