我心事重重地向车子走去。I walked on in a reflective mood to the car.他只顾想着心事，没注意到有什么不对。He was too preoccupied with his own thoughts to notice anything wrong.与咨询员的谈话让他将心事一吐为快.His visit to a counsellor really helped him get thingsoff h...
胼胝质的染剂是苯胺蓝, 间苯二酚蓝和玫红酸.Callose stains are aniline blue, resorcin blue and rosolic acid.过敏性坏死反应和胼胝质的形成是2个重要的抗锈机制.Hypersensitive reaction and callose formation were two important resistance mechanisms....