Bird's sign
[医] 伯尔德氏征(肺棘球蚴病的听诊体征)
🧩 词语组成解析
🗣️ 情景例句
You did a good job.
你做得真棒！
One never loses anything by politeness.
有礼貌对自己不会吃亏。
Manners are quite different from country to country.
各国的礼仪各不相同。