Specify
【双语释义】to state sth, especially by giving an exact measurement, time, exact instructions, etc
vt. 确切说明(细节﹑ 材料等); 明确规定; 详述
【典型例句1】The regulations specify that you may use a dictionary in the examination.
规则中指明考试时可以用词典。
【典型例句2】The contract specifies red tiles, not slates, for the roof.
合同中规定屋顶要用红瓦而不用石板瓦。
【典型例句3】He has not specified what action he would like them to take.
他尚未明确说明自己希望他们采取什么样的行动。
【典型例句4】They specified a spacious entrance hall.
他们专门指定要一个宽敞的大门厅。
Reference
【双语释义】A reference is a person who gives you a reference, for example when you are applying for a job.
C.N. (求职等时的)推荐人,介绍人,证明人
【典型例句1】The head teacher often acts as (a) reference for his pupils.
这位校长常为求职学生做证明人。
【典型例句2】Applicants without a reference will not be accepted.
无介绍人者,恕不接受报名。