1. flock n.羊群，一群；大量 vi.群集，聚集，成群
例句：There are many flocks of tourists in the palace. 宮殿里有好幾群游客#]E)(a;n=l^D-。
2. respond vi.回答，答復；(to)作出反應，響應
例句：I invited her to dinner but she did not respond. 我請她吃晚飯，但她未作回答LbRTnpGjY[Chw![,6U。Many people responded to the call for service in the countryside. 很多人都回應了農村服務的電話KJYUG3P@*0WNV(lubK]。
3. significantly adv.意味深長地, 意義深遠地, 重要地, 較大地
例句：Significantly New York is left out of this list. 意味深長的是紐約這個城市的名字從名單中劃掉了p@(GfQxdV85lQ#。
4. burst vt.使爆裂 vi.爆炸；擠滿 n.爆炸；爆發
例句：The police burst through the door. 警察破門而入d^L|TVTnwHI~T0S5yB_-。
There was a burst of laughter in the next room. 隔壁房間里突然爆發出一陣笑聲Ir%kz(F7RBjD4gcY)。