counting-frame

英 ['kaʊntɪŋfr'eɪm] 美 ['kaʊntɪŋfr'eɪm]

• n. 算盘

例句

用作名词 (n.)

1. He skillfully rapped on his counting frame.
   他的手快速的拨拉着算盘。
2. An abacus is also a counting machine, using our brain and our fingers.
   算盘也是一台计数器，用我们的头脑和手指来操作。