| 释义 |
once[wʌns]adv. 1 一次:I have been there once.我到那儿去过一次.once a week每星期一次 2 曾经,一度;从前:He once lived in Shanghai.他曾经在上海住过. 3 [用于否定句]一次也,完全:Don't once leave a mistake uncorrected.决不要放过一个错误.I couldn't once understand what they meant.我完全不能理解他们的意思. 4 [用于条件句等]一旦:If one once(或When once one) loses confidence,he can never expect to do his work well.一旦失去信心,就别想做好工作. 5 乘以一:Once one is one.一一得一. 6 (亲属关系上)小一辈;(程度上)相差无几:a cousin once removed同(外)曾祖的堂(或表)兄弟(或姐妹)
conj.一旦…(就…):Once you've been to China you'll understand why I like it so much.你一旦去过中国,就会明白我为什么如此喜欢中国.
n.一次:Will once be enough?一次就够了吗?
adj.从前的;一度的:a once province of the Northeast从前东北的一个省 |