玻璃上有一道划痕，可能是钥匙留下的。

There was a thin ___streak on the glass, probably made by a key.

她的连衣裙上有一条细细的粉色条纹。

There's a thin pink ___stripe on her dress.

她用彩色粉笔在黑板上画出一道道条纹。

She used colored chalk to ___streak the blackboard with lines.