Nobody could have denied that his steady swings and turns in and about the flock had elements of grace . 谁也不至于否认他在羊群里面或羊群周围从从容容地转来转去时是相当优雅的。
Removing carriers from a flock and premises is an effective way of preventing a recurrence of some diseases . 防止某些疾病重新发生的一个有效方法是把一个病毒携带者从牲圈里清除。
He conceives it to be his duty to know all the private doings and desires of the flock entrusted to his care . 他认为，了解托付他照管的教友们私下的所作所为和他们的欲望是他的职责。
In this manner, the size of agglomerations, or flocks as they are often called, tends to reach a limit . 在上述两种作用交互影响下，团块的大小或通常所称的絮凝团，将趋于达到一个极限值。
He left the valleys of coal and went to the coast, to sully ranny bay and lavernock, where the rich tourists flocked . 他离开了煤谷，来到了萨和兰尼和拉弗诺克海湾，那是有钱的旅客云集的地方。
We had somehow caught the spirit of the role of our sex and we flocked together for common moral schooling . 我们似乎已经了解了我们性别作用的精神实质而现在为了共同的道德教育我们聚到一起了。
They dispersed about the room, reminding me, by the lightness and buoyancy of their movements, of a flock of white plumy birds . 她们在屋子里散开，动作轻盈活泼，使我联想起一群羽毛雪白的鸟儿。
A good reason for removing moribund and dead birds from a flock is to reduce the numbers of infectious organisms available to penmates . 清除鸡群里临死和死亡的个体，就是为了减少可以感染同群鸡的传染性微生物。
One does not need to be an expert on symptoms, lesions, and cures for diseases which are kept out of the flock through proper management . 不需要成为疾病的症状，病变和治疗的专家，因为可以通过恰当的管理把这些疾病拒之于鸡群之外。
