1. Prehistoric man used flint knives.
    史前人用打火石刀。

1. 燧石：浅灰黑色、黑色、棕褐色而呈结核状或条带状隐晶质的为燧石(flint),有灰色、红褐色、红色、绿色、黄褐等色而成乳状、肾状、纤维状和球状的为玉髓[c(h)alcedony];呈环带状的玉髓叫玛瑙(agate血红色的叫鸡血石(bloodstone)等等.

2. 打火石：居然回到入口,不行事情还没做完呢,再进去,这回到了一个中间有一盆水的房间,用勺子舀一瓢水,然后上楼找到另外的一个打火石(flint),下楼出门. 又一个空房间,再进门另外一个房间,中央是一盆土,用铲子铲一些土,在楼上你会找到一个吹风器(bellows).

3. flint在线翻译

3. 弗林特：密西根大学现有3个校区,其主校区在安娜堡市(Ann Arbor),迪尔本(Dearborn)为其第二大校区,弗林特(Flint)为第三校区,共有在校学生4万多人,来自全美各州及世界90多个国家.

4. flint：floating – point interpretive language; 浮点解释语言

1. 燧石;火石
    Flint is a very hard greyish-black stone that was used in former times for making tools.

flint的翻译

    e.g. ...a flint arrowhead.
           燧石箭头
    e.g. ...eyes the colour of flint.
           燧石色的眼睛

2. 打火石
    A flint is a small piece of flint which can be struck with a piece of steel to produce sparks.

flint

1. a hard kind of stone
    a form of silica more opaque than chalcedony

1. showing unfeeling resistance to tender feelings

    e.g. his flinty gaze
           the child''s misery would move even the most obdurate heart

    Synonym: flintygraniticobduratestony