attendant
n. 服务人员，侍者，随从
a. 伴随的，随之而产生的
A: The box of old photos that you are looking for is in the attic .
B: On the right or left hand side?
attic
n. 阁楼
A: The auction will be held at 3pm on Saturday.
B: Good, I’d like to set a starting price of one hundred dollars for my table.
auction
n./vt. 拍卖
A: Even though I’m not registered in this department, will it be alright if I audit your classes?
B: It is fine with me, but it is best to check with the department first.