皮筋 (pí jīn) — rubber band; elastic band

定義

例文

• 她用皮筋把头发扎起来了。
  Tā yòng pí jīn bǎ tóu fa zhā qǐ lái le.
  She tied her hair up with a rubber band.
• 这些皮筋太旧了，一拉就断了。
  Zhè xiē pí jīn tài jiù le, yì lā jiù duàn le.
  These rubber bands are too old; they break as soon as you stretch them.
• 请帮我买一包皮筋。
  Qǐng bāng wǒ mǎi yì bāo pí jīn.
  Please help me buy a pack of rubber bands.