Calcium orthoarsenate
[机] 正砷酸钙
🧩 词语组成解析
[化]正砷酸盐
🗣️ 情景例句
we would go down to the beach and catch crabs,
我们走到海边抓螃蟹，
If it were not for hope, the heart would break.
人是靠希望活著的。
I like the colour very much.It's lovely dress,
我很喜欢这颜色。这件漂亮的衣服，