portable type

例句：

1. 1. This laptop is so portable that I can carry it anywhere.
   这台笔记本电脑太便携了，我可以随时带它。
2. 2.The portable type of calculators are widely used in daily life.
   便携式计算器在日常生活中的应用非常广泛。
3. 3. The portable type of pens are very popular among students.
   便携式笔在学生中非常受欢迎。