It was not until the early 1950s that most tape recorders began using plastic tape as they do today.

直到50年代，大多数磁带录音机才像现在一样开始使用塑料带。

" Packing tape" is wide, thin plastic tape – tape is sticky on one side – and you use it to close a box to make sure it stays closed.

“包装胶带”是一种又宽又薄的塑料胶带——胶带的一侧是粘性的——你用它来封闭一个盒子， 以确保它保持封闭状态。