He would use the blue parking sticker only when practicalities required it.他只有在绝对必要的情况下才会求助.Mother says that she doesn't want any sticker in the house.母亲说她家里不要呆着不走的客人.Hey, I know what, I'll get a bumper sticker...
Hey, I know what, I'll get a bumper sticker printed up.嘿,有了,我会找人印刷一些保险杠贴纸。Mother says that she doesn't want any sticker in the house.母亲说她家里不要呆着不走的客人.A sticker on a bag caught my interest.袋子上的贴纸引起了我的兴趣....
Nefedipine was synthesized with m - Nitrobenzaldehyde, ethyl acetoacetate ammonium acetate.以间硝基苯甲醛, 乙酰乙酸乙酯,氨化试剂为原料.The cross - linking reaction between dialdehyde compound and cellulose acetate raises the chemical stabil...