Perhydroanthracene
蒽烷, 全氢化蒽
🗣️ 情景例句
The council will not permit you to build here.
委员会不会允许你们在这一带搞建筑。
Knowledge is a treasure, but practice is the key to it.
知识是一座宝库，实践是打开宝库的钥匙。
He dare not tell us his evil conduct.
他不敢告诉我们他的恶行。