完全一致;是…的一部分
(be) at one (with sb / sth)
to feel that you completely agree with sb / sth, or that you are part of sth
a place where you can feel at one with nature一個能讓你感到與大自然融為一體的地方
釋義來自《牛津高階英漢雙解詞典》第 9 版