词根词缀：a-, ab-, abs-

【来源及含义】Latin: prefix; from, away, away from

【相关描述】This prefix is normally used with elements of Latin and French origins (abs- usually joins elements beginning with c, q, or t).

The form ab- is regularly used before all vowels and h; and it becomes a- before the consonants m, p, and v. The prefix apo- has similar meanings.

This list is a very small sample of the multitudes of a-, ab-, abs- prefixes that are available in dictionaries and those in this unit are only meant to present a few examples.

【同源单词】abampere, abampere centimeter squared, abampere per square centimeter, abarticular, abarticulation, abbreviate

词根词缀：brevi-, brev-

【来源及含义】Latin: short; shorten, make shorter, shortened

【同源单词】abbreviate, abbreviated, abbreviation, abbreviator, abridge, abridged

词根词缀：-ment

【来源及含义】Latin: a suffix; result of, means of, act of; place of action

【相关描述】The suffix -meant is a final word element derived through Middle English and French from the Latin suffix -ment(um), originally used to form agent and action nouns from verbs, now used to form nouns and denominative verbs in several related senses:

The verb combinations show no change in basic form: cement, compliment, lament.

Principal parts: -menting, -mented, -mented.

Related forms: -mentum (singular); -menta, -menti, -ments (plurals).

【同源单词】abolishment, abridgment, accompaniment, accomplishment, accouterment, achievement