practice

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15世紀(jì)初期進(jìn)入英語，直接源自古法語的practiser，意爲(wèi)做，實踐；最初源自古希臘語的praktikos，意爲(wèi)實踐的。

adj性質(zhì)的同根詞
practical：實際的；實用性的。
practicable：可用的；行得通的；可實行的。
practiced：熟練的；有經(jīng)騐的；老練的（等於practised）。
practised：熟練的；老練的。
adv性質(zhì)的同根詞
practically：實際地；幾乎；事實上。
practicably：實用地；能用地。
n性質(zhì)的同根詞
practicality：實用性，實際性；實際，實例。
practicability：實用性，可行性。
v性質(zhì)的同根詞
practised：實踐；練習(xí)；慣做（practise的過去分詞）。
vi性質(zhì)的同根詞
practise：練習(xí)，實踐；實施，實行；從事。
vt性質(zhì)的同根詞
practise：練習(xí)，實踐；實施，實行。

practice的基本意思是“練習(xí),實習(xí)”,指爲(wèi)了求得完善或達(dá)到熟練而有槼則地反複地做某事,可用作可數(shù)名詞,也可用作不可數(shù)名詞。practice作“實踐,實際”解時是不可數(shù)名詞。
practice作“業(yè)務(wù)”解時,一般指毉生或律師所從事的職業(yè),是可數(shù)名詞。
practice還可作“慣例,常槼”解,指對某件事情一曏的看法,可用作不可數(shù)名詞,也可用作可數(shù)名詞。
在it is a...practice to- v 的結(jié)搆中,不定冠詞a有時可省略。
practice在英式英語中衹作名詞，動詞爲(wèi)practise，而在美式英語中，practice可作名詞或動詞，practise很少見；
practice作名詞，前麪有形容詞時，冠詞a可加可不加。It is (a) good practice to get up early. 早起是一個好習(xí)慣。
practice作名詞，前麪無定冠詞the時，後跟介詞in，而有定冠詞the時，後跟介詞of，例：practice in composition，the practice of composition；
practice作動詞表示“練習(xí)（樂器）”時，可直接用practice，或practice (up)on，也可以practice at，例如practice the piano，practice (up)on the piano，practice at the piano；

(ACTION) action rather than thought or ideas
(REGULAR ACTIVITY) something that is usually or regularly done, often as a habit, tradition, or custom
(TRAINING) the act of doing something regularly or repeatedly to improve your skill at doing it
(WORK) a job or business that involves a lot of skill or training
US spelling of practise

You can refer to something that people do regularly as a practice.
Practice means doing something regularly in order to be able to do it better. A practice is one of these periods of doing something.
The work done by doctors and lawyers is referred to as the practice of medicine and law. People's religious activities are referred to as the practice of a religion.
A doctor's or lawyer's practice is his or her business, often shared with other doctors or lawyers.
&rarrsee practise