Ferrous arsenate
[机] 砷酸亚铁
🧩 词语组成解析
[化] 砷酸盐(或酯)\\n[医] 砷酸盐
🗣️ 情景例句
I'm really excited about seeing Grandpa.
一想到要见到爷爷， 我就觉得兴奋。
No. I have been away on vacation.
是呀，我休假去了。
I have a letter of introduction here.
我这儿有一封介绍信。