Trackmounted
履带
🗣️ 情景例句
It's a simple idea, and it will work.
这主意很简单， 而且一定可行。
A happy heart makes a blooming visage.
心花怒放，笑逐颜开。
and the more difficult it is, the more highly it is regarded.
他们认为， 道路愈艰险愈带劲儿。