ADJ. effective, safe | artificial | emergency | oral
VERB + CONTRACEPTION practise, use A lot of couples now practise contraception. They never used any contraception.
PHRASES the availability of contraception, a form/method of contraception a very reliable method of contraception
You can also check Google Dictionary:
中文解释 ), wordnet sense
This site is supported by
Language Study of English, if please feel free to
Send me an email.