3 sentences

1. 她身着一袭洁白的长裙。

   tā shēn​zhuó yī xí jié​bái de cháng​qún.

   She was wearing a pure white long dress.

   Source: Dong Chinese Dictionary

2. 她的长裙拖在地上，沾了不少灰尘。

   tā de cháng​qún tuō zài dì​shang, zhān le bù​shǎo huī​chén.

   Her long dress trailed on the ground and picked up a lot of dust.

   Source: Dong Chinese Dictionary

3. 她穿着一件质地轻盈的长裙，看起来非常飘逸。

   tā chuān zhe yī jiàn zhì​dì qīng​yíng de cháng​qún, kàn qi​lai fēi​cháng piāo​yì.

   She wore a lightweight long dress that looked very graceful and flowing.

   Source: Dong Chinese Dictionary