名詞 robin:

1. small Old World songbird with a reddish breast
   同義詞：redbreast, robin redbreast, Old World robin, Erithacus rubecola
2. large American thrush having a rust-red breast and abdomen
   同義詞：American robin, Turdus migratorius

1. The people in our neighborhood are sending a round robin to the Air Force to protest the nice the jet planes make flying over our house.
   我們這一帶的居民在向空軍部隊(duì)遞交一份有環(huán)形簽名的抗議書，就噴氣式飛機(jī)飛越我們住宅上空時(shí)產(chǎn)生的噪音問題提出抗議。
2. If you wish to catch that robin, try putting a pinch of salt on its tail.
   你要是想抓住那只知更鳥，設(shè)法撒一點(diǎn)鹽在鳥尾巴上，這樣就能逮住它。

rob.in

n.（名詞）
A North American songbird(Turdus migratorius) having a rust-red breast and gray and black upper plumage. Also called robin redbreast
旅鶇：北美洲的一種胸脯呈鐵銹紅且上部羽毛呈灰色和黑色的大的燕雀（旅鶇） 也作 robin redbreast
A small Old World bird(Erithacus rubecula) having an orange breast and a brown back. Also called robin redbreast
歌鴝：產(chǎn)于東半球的一種胸脯呈桔紅色且背部呈棕色的小鳥（歐亞鴝） 也作 robin redbreast
Any of various birds resembling a robin.
任何一種類似于旅鶇或歌鴝和鳥

來源：
Short for Robin Redbreast
Robin Redbreast的簡寫
from Middle English Robin [personal name]
源自 中古英語 Robin [人名]
from Old French [diminutive of Robert]
源自 古法語 [羅伯特的昵稱]