Arsenum
[医] 砷(22号元素)
🗣️ 情景例句
I'm not quite familiar with the claim and arbitration in international trade.
我对国际贸易的索赔与仲裁不够熟悉。
I usually go to bed at about midnight.
我通常在大约半夜睡觉。
How could we do that?
怎么说呢？