A robin was perching on the fence.一只知更鸟落在篱笆上。Perching can be discouraged by scaring, shooting or chemical repellants.轰吓 、 射杀或者用化学忌避剂可防止鸟类栖息.Perching on the periphery of every orchestra is a percussion player.坐在每支管弦乐队外围的是...
The calming effect seemed to last for about ten minutes.镇静效果好像持续了大约10分钟。The presence of his immediate family is obviously having a calming effect on him.他的直系亲属都在场，这显然起到了让他镇定的作用。Don't pull the boy about ; he wants ca...