2 sentences

1. 两条道路在前方呈十字形交叉。

   liǎng tiáo dào​lù zài qián​fāng chéng shí​zì xíng jiāo​chā.

   The two roads cross in a cross shape ahead.

   Source: Dong Chinese Dictionary

2. 成群的大雁正排成一字形，缓缓地向南方飞去。

   chéng​qún de dà​yàn zhèng pái​chéng yī​zì​xíng, huǎn​huǎn de xiàng nán​fāng fēi qù.

   Flocks of wild geese are flying slowly south in a single-file formation.

   Source: Dong Chinese Dictionary