Para-dihydroxystearic acid
[化] 聚二羟基硬脂酸
🧩 词语组成解析
[经] 帕拉
🗣️ 情景例句
the quarterback on our football team.
我们足球队的四分卫。
What is done by night appears by day.
若要人不知，除非己莫为。
Now move the hand to and fro and around but not up and down.
然后把手前后左右以及旋转摆动，但不要上下摆动。