number tape

例句：

1. 1.We need to keep track of our expenses with a number tape.
   我们需要用数字带来记录我们的开销。
2. 2. The teacher used a number tape to help the students learn their times tables.
   老师使用数字带帮助学生学习他们的乘法表。
3. 3. The engineer used a number tape to measure the length of the beam.
   工程师使用数字带来测量梁的长度。