Passenger pigeon
n. 候鸽（原产于北美）
🧩 词语组成解析
pigeon
['pɪdʒɪn]
n. 鸽子;<非正式>易受骗的人;<非正式>责任;
🗣️ 情景例句
The young couple started a family.
这对年轻的夫妇组成了一个家庭。
Keep in touch.
再联络！
We are all very excited and are looking forward to the Olympic Games because they have never been held before in this country.
我们都非常激动，盼望着奥运会的到来，因为在这个国家里还从未举办过奥运会。