Adjustalbe voltage generator
[机] 可调整电压发电机
🧩 词语组成解析
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
What were you doing when I called you on the telephone?
当我打电话给了你时，你正在做什么？
Ripe fruit falls from the trees and you never have to work.
成熟的水果从树上掉下来，人们根本无需劳动。