这三者的出现恰好中间有15天的间隔。

The three occur exactly 15 days apart.

youdao

答：微笑。因为两个字母S 中间隔了一里。

Smiles. Because there' s a mile between the two "s" s.

youdao

皮肤是由两层组成，中间隔着一片薄膜。

The skin consists of two layers, separated By a thin memBrane.

youdao

向旅馆要个套间，中间隔一扇门。

Ask the hotel for an adjoining room with a door between them.

youdao

因为两个字母s中间隔了一里。

Because there's a mile between the letter's.

youdao

中间隔着湍急的河流，行动则是架在川上的桥梁。

Separated by a raging river, the action is the bridge in sichuan.

youdao

这种运动需要一张用网在中间隔开的硬桌子。

The game takes place on a hard table divided by a net.

youdao

这种运动需要一张用网在中间隔开的硬桌子。

The game takes place on a hard table divided by a net.

youdao