Sulfo
磺基
🗣️ 情景例句
We have 5 international patents which we are ready to sell.
我们有五项国际专利可以出售。
Diligence is the mother of good fortune.
勤勉是好运之母。
Could you come here, please? I want some help.
你能来这儿一下吗？我需要帮忙。