常見(jiàn)例句The penguin is a flightless bird. 企鵝是一種不會(huì)飛的鳥(niǎo)。Scientists do researches on the migrating rules of migratory birds according to the circular marks fixed on bird legs. 科學(xué)家根據(jù)安裝在鳥(niǎo)腿上的環(huán)志來(lái)研究候鳥(niǎo)的遷徙規(guī)律。The bird sang high and clearly in the tree. 鳥(niǎo)兒在樹(shù)上清脆地高歌。The dog has nipped the postmen on the leg. 這條狗咬了郵遞員的腿。He banged into a telephone booth and hurt his leg. 他撞在了一個(gè)電話(huà)亭上,傷了腿。The bird flapped its wings and flew away. 那鳥(niǎo)振翅飛去。 返回 bird-leg