Levallois
a. (史前的)勒瓦婁哇( 打制石片)文化期的
??? 情景例句
until they mentioned needing collateral or a guarantor.
在他們提到擔(dān)保物或擔(dān)保人之前。
We have a vision of the future.
我們對(duì)未來(lái)有一番憧憬。
It's a good idea to hold such conferences.
召開(kāi)這樣的會(huì)議真是個(gè)好主意。