not approximated in any way; precise 确切的;准确的 the exact details were still being worked out. 具体的细节还在处理之中。 ■accurate or correct in all details 精确的 an exact replica, two feet tall, was constructed. 建造了一个两英尺高的精确复制品。 ■(of a person) tending to be accurate and careful about minor details (人)严谨的 she was an exact, clever manager. 她是一个一丝不苟的、聪明的管理者。 ■(of a subject of study) permitting precise or absolute measurements as a basis for rigorously testable theories (研究课题)严密的 psychomedicine isn't an exact science yet. 心理医学还不是一门严密的科学。
verb
[with obj.]demand and obtain (something, especially a payment) from someone 索取;强要(某物,尤指报酬) tributes exacted from the Slav peoples. 从斯拉夫各民族索取来的贡品。 William's advisers exacted an oath of obedience from the clergy. 威廉的顾问们强迫牧师发誓服从。 ■inflict (revenge) on someone 使人遭受(报复) a frustrated woman bent on exacting a cruel revenge for his rejection. 一位被他拒绝、未达目的而决定对他实施残酷报复的妇女。
late Middle English (as a verb): from Latin exact- 'completed, ascertained, enforced', from the verb exigere, from ex- 'thoroughly' + agere 'perform'. The adjective dates from the mid 16th cent. and reflects the Latin exactus 'precise'