Phenylcyclohexane
[建] 苯基环己烷
🗣️ 情景例句
but when I received the letter
但是当我收到那封信
Fortune to one is mother, to another is stepmother.
命运对一种人如亲娘，对另一种人却是晚娘。
What do the machines do? asked Jim.
“这些机器做什么用？”吉姆问。