在 + 柜台 + Location Word
柜台 (guìtái) means "counter" or "service desk," referring to a flat-topped fixture in a shop, bank, or office where transactions take place. It combines 柜 (cabinet) and 台 (platform). For example, 站在柜台后面 means "standing behind the counter."
请到三号柜台办理手续。
Qǐng dào sān hào guìtái bànlǐ shǒuxù.
Please go to counter number three to complete the procedures.
她在柜台前排了好长时间的队。
Tā zài guìtái qián pái le hǎo cháng shíjiān de duì.
She waited in line at the counter for a very long time.
药店的柜台上摆满了各种药品。
Yàodiàn de guìtái shàng bǎi mǎn le gè zhǒng yàopǐn.
The pharmacy counter was filled with all kinds of medicine.