Impulse voltage generator
[电] 冲击电压发生器
🧩 词语组成解析
🗣️ 情景例句
How long does it take you to get through a letter?
你写一封信要花多少时间？
Misfortunes test the sincerity of friends.
患难见友情。
The dogs have greater freedom, too, for they are allowed to wander outside their enclosure.
狗也比较自由，被放出围栏，四处遛达。