Neopelex
十二烷基苯磺酸钠
🗣️ 情景例句
No, thanks.
不啦，谢谢。
The more we study, the more we discover our ignorance.
学得越多，就越发觉自己无知。
The doctor said he could do nothing to help him.
医生说他对此无能为力。