Arsenum
[医] 砷(22号元素)
🗣️ 情景例句
He started out on a voyage around the world.
他开始周游世界。
Idleness is the rust of the mind.
懒惰使脑子生锈。
to work or worry about trifling things at the weekend.
在周末再让他们为琐事而动脑子和忧虑。