Cyclonene
[建] 环酮烯, 胡椒基环己烯酮
🗣️ 情景例句
After Richard was born.
等生下Richard之后。
A borrowed cloak does not keep one warm.
借来的斗篷不暖身。
The American president who fought for the freedom of slaves in the USA.
为美国奴隶的自由而战的美国总统。