当且仅当
当且仅当當且僅當
- if and only if
Stroke order
Practice writing
Draw 当 (1 of 4) — stroke by stroke.
Draw each stroke of the character in order using your mouse or finger. A hint appears after three misses.
Character breakdown
Example sentences
- 当且仅当你知道我们的密码你才可以进来。 You can come in if and only if you know our password.
- 当且仅当冰淇淋是香草口味，小王会吃这个冰淇淋。 If and only if the ice-cream is vanilla flavour will Xiao Wang eat it.
- 当且仅当一个人是个没有结婚并可以结婚的男人，那个人是个未娶。 A person is a bachelor if and only if that person is a marriageable man who has never married.
Sentences from Tatoeba (CC BY)