现在请记住，离子键的形成，从第一族和第二族元素，与六七主族的元素相互构成的。

Now, remember, the formation of the ionic bonds was from group one and group two, and over here with group six and seven.

youdao

举个例子，这个例子表明金属元素，第一族和第二族，与一些非金属元素，在这里，第五族，第六族，和第七族。

Here is an example that shows some very, very metallic elements, groups one and two, and some non-metallic elements over here, five, six and seven.

youdao

32年前，《捉鬼敢死队》第一部问世，当时影片反响冷淡，多年来也仅受到非主流一族的追捧。

When the original film came out 32 years ago, it too was poorly received and only became a cult hit over time.

youdao

Now, remember, the formation of the ionic bonds was from group one and group two, and over here with group six and seven.

现在请记住，离子键的形成,从第一族和第二族元素，与六七主族的元素相互构成的。

麻省理工公开课 - 固态化学导论课程节选

Here is an example that shows some very, very metallic elements, groups one and two, and some non-metallic elements over here, five, six and seven.

举个例子,这个例子表明金属元素，第一族和第二族，与一些非金属元素,在这里，第五族，第六族，和第七族。

麻省理工公开课 - 固态化学导论课程节选