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词汇 Tree swallow
分类 英语词汇 英语翻译词典
释义

Tree swallow

原声例句
美国小学英语5

One tree swallow was in the nest and the other on guard outside.

一只树燕子在窝里,另一只在外面站岗。

美国小学英语6

Get an old, wild-apple tree into the sanctuary for the bluebird, the kingbird, the tree swallow, and the chebec.

为青鸟、王霸鹟、树燕以及北美小霸翁鸟在保护区种植有年头的野苹果树。

美国小学英语5

But on the telephone wire sat a pair of tree swallows, their steel-blue coats and white shirt fronts glistening in the sunlight.

但电话线上坐着一对树燕子,钢蓝色外套和白色衬衫前襟在阳光下闪闪发光。

美国小学英语5

Just as he had hoped, the first bluebirds built in one of the smaller boxes, and a pair of tree swallows in the other.

如他所期,第一只蓝知更鸟的窝建在一个小盒子里,一双树燕住在另一个盒子里。

英语百科

Tree swallow

Flying in Central New York, US
Mating

The tree swallow (Tachycineta bicolor) is a migratory passerine bird that breeds in North America and winters in Mexico, Central America and the Caribbean. It is a very rare vagrant to western Europe.

This swallow averages 13.5 cm (5.3 in) long and weighs about 20 g (0.71 oz). The bill is tiny. The adult tree swallow has iridescent blue-green upperparts, white underparts, and a very slightly forked tail. The female usually has duller colours than the male, often more greenish than the more bluish male. The juvenile plumage is dull grey-brown above and may have hint of a grey breast band.

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