Benzo(a)pyrene
[化] 苯并[a]芘
🗣️ 情景例句
Do you already have a boyfriend?
你已经有男朋友了吗？
Peter must assume he is correct.
皮特必然认为他是对的。
It is good preparation for the world outside schools and universities.
这对走出学校进入社会是一个良好的准备。