Tridecoic acid
[化] 十三酸; 十三烷酸
🧩 词语组成解析
🗣️ 情景例句
and we have Popo the Clown to entertain you.
我们请了小丑Popo来给大家表演助兴。
Christmas comes but once a year.
佳节良辰，机会难得。
Look! It's inside another pot. What was that pot used for?
“瞧！还是大壶套小壶呢。有什么用途？”