Yànzi zài wūyán xià zhùcháo.
Swallows build their nests under the eaves.
Chūntiān lái le, niǎo'er kāishǐ zhùcháo fánzhí.
Spring has arrived; the birds start building nests and breeding.
Zhè duì niǎo'er zài shù shàng zhù le yī gè jīngzhì de cháo.
This pair of birds built an exquisite nest in the tree.
