- adj. 自动的；无意识的；必然的
- n. 自动机械；自动手枪
CET4 TEM4 IELTS 考 研 TOEFL CET6
前缀auto-, 自己的。-mat, 同词根men, 思考，见mind.
- automatic (adj.)
- "self-acting, moving or acting on its own," 1812, from Greek automatos, used of the gates of Olympus and the tripods of Hephaestus (also "without apparent cause, by accident"), from autos "self" (see auto-) + matos "thinking, animated" (see automaton). Of involuntary animal or human actions, from 1748, first used in this sense by English physician and philosopher David Hartley (1705-1757). In reference to a type of firearm, from 1877; specifically of machinery that imitates human-directed action from 1940.
- automatic (n.)
- "automatic weapon," 1902, from automatic (adj.). Meaning "motorized vehicle with automatic transmission" is from 1949.
- 1. They shot him at point blank range with an automatic rifle.
- 2. An automatic weather station feeds information on wind direction to the computer.
- 3. An automatic voltage regulator ensured a constant output from the generator.
- 4. The bill provides for the automatic review of all death sentences.
- 5. Fran began her automatic patter about how Jon had been unavoidably detained.
[ automatic 造句 ]