o開頭的單詞：
oasis 綠洲。
obedient 順從的。
objective 真實的。
occasion 機會，盛事。
optimistic樂觀。
optimist 樂觀主義者。
optimum 最佳。
outgoing 外向。
擴展資料。
she arrived to receive the sash of office from the outgoing president
她走上前去從即將離職的總統手中接過了就職腰帶。
he's not the thoroughly outgoing character you'd predict,although he has his moments
雖然他也有活潑的時候，但他並非如你所想的那麼外向。
it happened on three separate occasions
這事在三個不同的場合發生過。
they have been seen together on two separate occasions
他們有兩次被人看見在一起。
on one occasion,she called me in the middle of the night
有一次她深更半夜打電話給我。
oasis 綠洲。
obedient 順從的。
objective 真實的。
occasion 機會，盛事。
optimistic樂觀。
optimist 樂觀主義者。
optimum 最佳。
outgoing 外向。
擴展資料。
she arrived to receive the sash of office from the outgoing president
她走上前去從即將離職的總統手中接過了就職腰帶。
he's not the thoroughly outgoing character you'd predict,although he has his moments
雖然他也有活潑的時候，但他並非如你所想的那麼外向。
it happened on three separate occasions
這事在三個不同的場合發生過。
they have been seen together on two separate occasions
他們有兩次被人看見在一起。
on one occasion,she called me in the middle of the night
有一次她深更半夜打電話給我。