埃迪将自动步枪的保险栓重新拉上。Eddie slipped the safety catch on his automatic back into place.给窗户装上安全锁或窗栓。Fit windows with safety locks or catches.他插上了门(栓).She bolted the door....
The moment they have a label to attach to their symptoms, the illness deepens.一旦给自己的各种症状贴L某种标签, 病情便随之加重." The sand - sea deepens with fathomless ice, And darkness masses its endless clouds ; "瀚海 阑干百丈冰, 愁云黪淡万里凝.The myster...
别让拖地的皮线挡了道，这样你就不会被绊倒。Make sure trailing flexes are kept out of the way so you don't trip up over them.他差点被绊倒。He stumbled and almost fell.在等了这么久之后,能走得不被绊倒就足以让人们感到欣慰了.Walking without tripping was enough after such a l...
The carbon is electrophilic centre.碳是亲电的中心.It will become deepen to the students'recognization in mechanism of Aryl electrophilic substitution.这些问题的讨论将深化学生对芳烃亲电取代反应机理的认识.The rate constants of radical and electrophil...