Adjustalbe voltage generator
[机] 可调整电压发电机
🧩 词语组成解析
🗣️ 情景例句
Technology has totally changed our life over the past two decades.
在过去的二十年里，科学技术已经完全改变了我们的生活。
Half a loaf is better then no bread.
半块面包亦胜无。
Suddenly they came to a waterfall which dropped into an underground lake at the bottom of the cave.
突然，他们来到一道瀑布前，那瀑布奔泻而下，注入洞底一处地下湖里。