Cambia
n. 形成層，新生組織( cambium的名詞復數 )
??? 情景例句
Who knows?
誰知道？
I was on the track team 10 years ago.
十年前，我在田徑隊。
I'm enjoying this. Where exactly are we going?
我喜歡這次旅行。我們到底要去哪里？