Episulfide
环硫化物
🗣️ 情景例句
I didn't mean it that way.
事情闹成那样并非我的本意。
Oh,I just remembered something!I have to apply for a passport.
哦,我就记得了一些东西!我要申请一本护照。
Happy birthday! said the twins, and gave her a big red box.
“生日快乐！”双胞姐妹说，并将一个大红盒子送给了她。