1、The tankette was developed as a cheaper alternative to larger tanks during World War II.
坦克装甲车（Tankette）是第二次世界大战期间研制的一种廉价替代大型坦克的小型坦克。

2、Tankettes were primarily used for reconnaissance and infantry support.
坦克装甲车主要用于侦查和对步兵的支援。