Boroarsenate
硼砷酸盐
🗣️ 情景例句
I cannot forgive myself for not seeing my mother when she was sick in bed.
母亲病的时候我没能去看她，为这件事我永远不能原谅我自己。
He has been to America.
他去过美国。[曾经有过的经验]
Oh good, it's Li Lei. Hi, Li Lei!
噢，是李磊，李磊你好！