prevent a from b - prevent用法 - Prevent to do or doing

PREVENT definition and meaning

to act in anticipation of (an event or a fixed time) ; b. · to anticipate (a need, objection, etc.) ; c. · to precede.

What is the meaning of "prevent A from B"?

to prevent/to stop/to avoid: To prevent/stop/avoid (something) from (happening): Vaccination will prevent the spread of the disease.

「from」除了可以講＂從哪來＂之外，還可以用來表示「保護

stop 阻止… + O + from N/ V-ing · keep 阻止…／讓…免於… · prevent 阻止…；使…無法… · protect 保護…免於…

PREVENT Definition & Meaning

to be in readiness for (something, such as an occasion) ; b · to meet or satisfy in advance ; c · to act ahead of ; d · to go or arrive before.

What is the difference between 'to prevent' and 'to stop'

Generally, to prevent means to stop something from happening BEFORE it happens. To stop something usually means to stop something already 

PREVENT Synonyms: 73 Similar and Opposite Words

Synonyms for PREVENT: avert, preclude, avoid, forestall, obviate, help, escape, provide; Antonyms of PREVENT: assist, aid, facilitate, promote, encourage,