Underswing
负脉冲(信号)(瞬态特性), 负尖峰(信号)
🗣️ 情景例句
taking these remarkable pictures
来拍摄这些突出作品
I stayed and did some extra work.
我留下加了一会儿班。
In 1995, there was a very big race.
1995年举行了一次盛大的比赛。