Acetonylidene
亚丙酮基
🗣️ 情景例句
He's got eyes like a cat.
他的眼像猫的一样。
Perhaps you've heard our product's name. Would you like to know more about it?
也许你已听说过我们产品的名称，你想知道更多一点吗？
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。