随着春意渐浓,越来越多的留鸟各据领地,开始歌唱;之后,跟随春天的脚步,候鸟也渐渐抵达。有些急匆匆就来了,另一些旅程更长的则不慌不忙,还有些落后的露面时已几乎有些嫌晚了。按春天展开的节奏,鸟儿的数量和种类不 As the spring thickens, more and more birds stay in each territory and begin to sing; afterwards, following the footsteps of spring, migratory birds are gradually arriving. Some hurriedly arrived, while others were hurried for longer periods of time, while others were almost too late to show up. According to the rhythm of the spring, the number and types of birds are not