Piperylene
戊间二烯
🗣️ 情景例句
There's something missing. You've got a good eye, Richard.
少了些东西。你有艺术眼光， Richard。
Adversity successfully overcome is the highest glory.
成功地克服困难是最大的光荣。
We can't agree with the alterations and amendments to the contract.
我们无法同意对合同工的变动和修改。