Underswing
负脉冲(信号)(瞬态特性), 负尖峰(信号)
🗣️ 情景例句
and she belongs to Mr. and Mrs. Levinson.
它是Levinson夫妇家的狗。
The maintaining of one vice costs more than ten virtues.
保持一件坏事的代价超过十件好事。
Then we can see Aswan without walking too much.
而且不必走太多路我们就可以观看到阿斯旺。