Monohydric orthoarsenate
[化] 砷酸一氫鹽
?? 詞語組成解析
[化]一羥基的
[化]正砷酸鹽
??? 情景例句
Oh, it's a quarter to four,
噢 ，差十五分就四點(diǎn)了，
A woman's work is never at an end.
婦女的活計(jì)做不完。
Tramps seem to be the only exception to this general rule.
在這條普遍的規(guī)律前面，