Phosphonotrithioic acid
[化] 三硫代膦酸; 二硫代硫膦酸
🧩 词语组成解析
🗣️ 情景例句
and come back Sunday.
然后在星期天回来。
Old wood is best to burn,old book to read.
老柴好烧，老书宜读。
And here's a little present for you.
这里有一件小礼物送你。