Calcium biarsenate
[機] 砷酸二氫鈣
?? 詞語組成解析
重砷酸鹽, 酸性砷酸鹽
??? 情景例句
Would you get me some more water, please?
麻煩你再幫我加點水，行嗎？
In fifty years there'll be twenty people per square yard, it is written here.
這里寫著，再過五十年每平方碼將要住著20人的人口密度。
Sure.no problem at all.
當然，沒問題。