strand ground

例句：

1. 1.The strand of hair fell to the ground.
   那一缕头发掉到了地上。
2. 2. He found a strand of pearls in the seabed.
   他在海底发现了一串珍珠。
3. 3. She untangled the strand of fishing line with her hands.
   她用双手解开了钓鱼线的线团。