Norbornene
[化] 降冰片烯
🗣️ 情景例句
How has your visit to Shanghai been so far?
目前你对上海的印象如何？有何收获？
A true man and a thief think not the same.
君子和窃贼的思想不同。
to work or worry about trifling things at the weekend.
在周末再让他们为琐事而动脑子和忧虑。