Today is a unforgettable day. It will leave permanent fragrance to the 37 students of Grade 6.

今天是一个令人难忘的日子，她将在六年级37位同学心中留下永久的芬芳！

youdao

Permanent violet RL is high-grade organic pigment of carbazole dioxathion.

永固紫RL系二恶嗪类的高档有机颜料。

youdao

Strong magnetic separation machine adopts permanent magnet department multistage choose don't design, stable work, concentrate grade can make a large quantity of also can be guaranteed.

强磁选机采用永磁磁系多级选别设计、工作稳定、精矿品位能使处理量大时同样得以保证。

youdao

David Cameron's pledge would go further than this by including all meetings (not just hospitality) for special advisers and - significantly - by also covering permanent secretaries, the top grade of the civil service.

BBC: Is a wedding a meeting? What about a slumber party?