Dear sir
亲爱的先生
🧩 词语组成解析
dear
[dɪr]
adj. 亲爱的;敬爱的;昂贵的;严厉的;
n. 亲爱的人;宠物;
int. 哎;
adv. 高价地;疼爱地;贵;
sir
[sɝ]
n. 先生;（用于姓名前）爵士;（中小学生对男教师的称呼）先生;老师;
🗣️ 情景例句
Six months ago.
六个月以前。
Wisdom is to the mind what health is to the body.
知识之于心灵，犹如健康之于身体。
Other types of bee make their nests in holes in the ground.
其他种类的蜂在地穴里筑巢。