1. en = put into
envisage [ɪnˋvɪzɪdʒ] (v.) to consider something as possible or what you intend 展望；設想
Example: The plan envisaged the creation of regional councils.
envisage doing sth
Example: We envisage charging a small sum for the use of our services.
(v.) to imagine something that has not happened or does not exist
Example: When he built this house, he never envisaged how much the area would change.
difficult/ hard to envisage
Example: It is difficult to envisage living without the telephone.
engrave (v.) to cut words or pictures into a had surface such as stone, metal, or glass
be engraved on your memory/ mind/ heart to be impossible to forget
engraving (n.) a picture made by cutting a design into a metal plate, putting ink on it, and pressing it onto paper 版畫；雕版印刷品
(n.) the process or art of engraving things
endorce [ɪnˋdɔrs] (v.) to express support for someone or something, especially in public
Example: All endorced the treaty as critically important to achieve peace.
(v.) if someone famous endorses a product, they say in advertisements that they like it
(v.) to write your name on the back of a check or official document to make it legal （在支票或正式文件的背面）簽名；背書
endorcement (n.) an occasion when someone gives official or public support to a particular person or thing
Example: The election result can be seen as an endorcement of the government's record.
2. ad = forward
advance (v.) to move forward and towards someone or something
(v.) to progress and become better or more developed
Example: Information technology has advanced dramatically since the 1960s.
Example: His cancer had now advanced so far that it could not be treated.
(v.) to help something progress and become more developed or successful
Example: They use the Internet as a tool to advance their research.
Example: He will to anything to advance his career.
adjust (v.) to change something slightly in order to make it better, more accurate, or more effective
advocate [ˋædvəkɪt] (v.) to publicly support a particular policy or way of doing things
Example: There is no point advocating improved public transport unless we can pay for it.
3. ac- = get
accommdate [əˋkɑmə͵det] (v.) to provide a place or room for someone to stay in
Example: Designed by an Italian architect, the hotel can accommodate 600 guests.
(v.) to provide enough space for something or someone
Example: The new facility will easily accommodate 50 workstations.
(v.) to supply enough seats or room for people or things
Example: Our ships accommodate up to 150.
accommodating (adj.) helpful and easy to work with: obliging
Example: I found the staff accommodating and knowledgeable.
Example: We expected a more accommodating attitude during discussions.
accommodation (n.) a place for someone to stay, live, or work in
accumulate [əˋkjumjə͵let] (v.) to get more and more of something over a period of time
Example: Over the years, I had accumulated hundreds of books.
accumulation (n.), accumulative (adj.), accumulatively (adv.)
acquire (v.) to get a new skill or new knowledge by learning it
Example: How can such a large quantity of knowledge be acquired?
(v.) to get a particular reputation, position, or name
(v.) to gradually develop or learn something
acquire a taste for sth ( = start to like it )
Example: I've never really acquired a taste for wine.
acquired taste (= something you do not like at first, but gradually start to enjoy )
Example: Decaffeinated coffee is an acquired taste.
acquire the habit ( of doing sth ) ( = start to do something regularly, without thinking about why )
Example: We want people to acquire the habit of using public transport instead of their cars.
4. mono- = single
monocycle (n.) a glass lens for one eye, used in the past to help you see better
monolingual (adj.) speaking, writing, or using only one language
monorail (n.) a railway system in which trains travel on a single metal track
Example: a train on a monorail system