This year, however, I got my first singing Pale-legged Leaf Warbler in Chi Gu on 1st April, so separation by timing of migration seems pretty useless.是什么意思_This year, however, I got my first singing Pale-legged Leaf Warbler in Chi Gu on 1st April, so separation by timing of migration seems pretty useless.在線翻譯_英語_讀音_用法_例句