亚洲AV成人精品一区二区三区四区|快播日韩美嘛豆一区|国产欧美激情a级免费|一级黄片AAA色一品|久久国产成人精品Av|谁有AV免费观看|成人高清国产视频|日韩区欧美区久久综合一区|在线观看黄色网页|亚洲欧美国产11

單詞乎

an unknown quantity

an unknown quantity是什么意思、an unknown quantity怎么讀

an unknown quantity漢語(yǔ)翻譯

未知量, 難預(yù)測(cè)的事

an unknown quantity例句

  1. The new teacher is still very much an unknown quantity but we have hopes that he will be a valuable member of our team.
    新教師是誰(shuí)現(xiàn)在還難以預(yù)料,但我們希望他會(huì)成為我們隊(duì)里的重要一員。
  2. The new sales director is still a bit of an unknown quantity.
    新來(lái)的銷售部主任大家還不大了解。
0
糾錯(cuò)