a small, slender Old World songbird with a brown or greenish back and whitish or yellowish underparts
柳莺。
n. 柳莺
In previous years, all of the singing (spring) individuals that I have recorded have been Sakhalin Leaf Warbler.
在过去几年,所有我记录到的有鸣唱的个体(春天)都是库页岛柳莺。
a small, slender Old World songbird with a brown or greenish back and whitish or yellowish underparts
柳莺。