莱斯特被用担架抬进救护车时我就在旁边。I was close by as Lester was stretchered into the ambulance.我们叫了一辆救护车，赶紧把她送到了医院。We got an ambulance and rushed her to hospital.玛丽听到了刺耳的救护车警铃声。Mary heard the penetrating bell of an ambulance....
He opened his attaché-case, removed a folder, then closed it again...他打开公文包，拿出一个文件夹后又把它合上了。The film opened with a star-studded premiere last night.该影片昨晚举办了明星云集的首映式。The door was opened before she could ring the bell.她还没来得...
Evolution can explain why human embryos look like gilled fishes.进化论能够解释为什么人类的胚胎看起来象除去了内脏的鱼一样.A sharp demarcation of adventive embryos from zygotic embryos cannot be drawn.不定胚与合子胚之间不能划分出明显的界限.Most grass embryos have a fla...